Patent US1665303A successfully refreshed from Google Patents.
US1665303A
Expired / Lapsed
US
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Fastener
Assignee: Individual
•
Filing: 1925-02-13
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Granted: 1928-04-10
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Expires: 1945-02-13
Abstract
No abstract record available.
Inventors
- 👤 William N Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:30
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5253; E05B65/5261; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0833; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5354
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) | 1931-04-10 | 1931-10-10 | 1932-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-04-10 | 1935-10-10 | 1936-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-04-10 | 1939-10-10 | 1940-04-10 | $7700.00 | Window Closed / Lapsed |