US3242210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyureas
Assignee: Chevron USA Inc
•
Filing: 1965-03-16
•
Granted: 1966-03-22
•
Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 John L Dreher
- 👤 Judson E Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:42
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/71; B; B01; B01J; B01J19/00; B01J19/06; C07; C07C; C07C275/00; C07C275/28; C08G18/28; C08G18/2805; C08G18/285; C08G18/2865; C08G18/30; C08G18/32; C08G18/3225; C10; C10L; C10L7/00; C10L7/02; C10M; C10M119/00; C10M119/24; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/087; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/283; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A POLYUREA OF THE FORMULA
Claim 2
Dependent Claim
5 words
A POLYUREA OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |