US1977046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a plaster receiving base
Assignee: Individual
•
Filing: 1932-10-19
•
Granted: 1934-10-16
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Expires: 1952-10-19
Abstract
No abstract record available.
Inventors
- 👤 Harry A Cumfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:05
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/12; B21F27/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1077; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/1335
Claims Analysis
Total Claims: 0
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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) | 1937-10-15 | 1938-04-16 | 1938-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-15 | 1942-04-16 | 1942-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-15 | 1946-04-16 | 1946-10-16 | $7700.00 | Window Closed / Lapsed |