Patent US2129304A successfully refreshed from Google Patents.
US2129304A
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Assignee: Individual
•
Filing: 1936-04-06
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Granted: 1938-09-06
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Expires: 1956-04-06
Abstract
No abstract record available.
Inventors
- 👤 Feinbloom William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00009; B29D11/00038; B29D11/00125; G; G02; G02C; G02C7/00; G02C7/02; G02C7/04; Y; Y10; Y10S; Y10S264/00; Y10S264/30; Y10S425/00; Y10S425/808
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) | 1941-09-05 | 1942-03-07 | 1942-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-05 | 1946-03-07 | 1946-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-05 | 1950-03-07 | 1950-09-06 | $7700.00 | Window Closed / Lapsed |