Patent US1983070A successfully refreshed from Google Patents.
US1983070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide fastener and method of making same
Assignee: Hookless Fastener Co
•
Filing: 1933-04-21
•
Granted: 1934-12-04
•
Expires: 1953-04-21
Abstract
No abstract record available.
Inventors
- 👤 Cox Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:16
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; B21D53/52; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/2543; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |