Mao wrote similarly, but it depends a bit on your exact definitions of petit bourgeoise, as well conditions of the country. I’ve cut some verbiage, but he basically split them into three groups: Those doing well, opportunists getting by, and those who are losing out. He very much saw the latter group as important allies. And the other two as potential allies down the line, but not to be relied on initially.

The petty bourgeoisie. Included in this category are the owner-peasants, [7] the master handicraftsmen, the lower levels of the intellectuals–students, primary and secondary school teachers, lower government functionaries, office clerks, small lawyers–and the small traders. Both because of its size and class character, this class deserves very close attention. … Although all strata of this class have the same petty-bourgeois economic status, they fall into three different sections.

The first section consists of those who have some surplus money or grain, that is, those who, by manual or mental labour, earn more each year than they consume for their own support. … People of this sort are timid, afraid of government officials, and also a little afraid of the revolution. Since they are quite close to the middle bourgeoisie in economic status, they have a lot of faith in its propaganda and are suspicious of the revolution. This section is a minority among the petty bourgeoisie and constitutes its right-wing.

The second section consists of those who in the main are economically self-supporting. … They also want to get rich, but Marshal Chao never lets them … they have become aware that the world is no longer what it was. … They become rather abusive, denouncing the foreigners as “foreign devils”, the warlords as “robber generals” and the local tyrants and evil gentry as “the heartless rich”. As for the movement against the imperialists and the warlords, they merely doubt whether it can succeed (on the ground that the foreigners and the warlords seem so powerful), hesitate to join it and prefer to be neutral, but they never oppose the revolution. This section is very numerous, making up about one-half of the petty bourgeoisie.

The third section consists of those whose standard of living is falling. Many in this section, who originally belonged to better-off families, are undergoing a gradual change from a position of being barely able to manage to one of living in more and more reduced circumstances. … Such people are quite important for the revolutionary movement; they form a mass of no small proportions and are the left-wing of the petty bourgeoisie. …in times of war, … when the tide of the revolution runs high and the dawn of victory is in sight, not only will the left-wing of the petty bourgeoisie join the revolution, but the middle section too may join, and even right-wingers, swept forward by the great revolutionary tide of the proletariat and of the left-wing of the petty bourgeoisie, will have to go along with the “evolution.” We can see from the experience of the May 30th Movement [9] of 1925 and the peasant movement in various places that this conclusion is correct.