US3387988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mar resistant products and process for making same
Assignee: Wyeth Holdings LLC
•
Filing: 1964-08-17
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Granted: 1968-06-11
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lapp Darwin Fiske De
- 👤 Deichert William George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:11
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B32; B32B; B32B27/00; C; C08; C08F; C08F283/00; C08F283/01; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08L; C08L67/00; C08L67/06; C09; C09D; C09D167/00; C09D167/06; C08J2333/00; C08J2333/04; C08J2333/06; C08J2333/10; C08J2333/12; C08J2433/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31794; Y10T428/31797
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |