US1389173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-fastener
Assignee: WATKINS APPLIANCE Co Inc
•
Filing: 1920-09-07
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Granted: 1921-08-30
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Expires: 1940-09-07
Abstract
No abstract record available.
Inventors
- 👤 William F Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/25; A44B11/2592; F; F16; F16B; F16B45/00; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45906
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) | 1924-08-29 | 1925-02-28 | 1925-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-29 | 1929-02-28 | 1929-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-29 | 1933-02-28 | 1933-08-30 | $7700.00 | Window Closed / Lapsed |