Patent US1925816A successfully refreshed from Google Patents.
US1925816A
Expired / Lapsed
US
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Fastener
Assignee: Individual
•
Filing: 1932-01-18
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Granted: 1933-09-05
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Expires: 1952-01-18
Abstract
No abstract record available.
Inventors
- 👤 Walter E Oster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:45
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/12; F; F16; F16B; F16B45/00; F16B45/02; F16B45/036; F16B45/04; F16B45/045; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/33; Y10S24/34; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3489; Y10T24/3491; Y10T24/45; Y10T24/45005; Y10T24/45089
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) | 1936-09-04 | 1937-03-06 | 1937-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-04 | 1941-03-06 | 1941-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-04 | 1945-03-06 | 1945-09-05 | $7700.00 | Window Closed / Lapsed |