US2772469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide fastener
Assignee: Individual
•
Filing: 1952-02-08
•
Granted: 1956-12-04
•
Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 Staller Karel Jan
- 👤 Emil F Svec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:23
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/10; A44B19/14; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2536
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US472590A
Cited
US2035675A
Cited
US2046796A
Cited
US2066060A
Cited
US2025021A
Cited
US2048544A
Cited
US2328065A
Cited
US2180866A
Cited
US2223394A
Cited
US2329571A
Cited
US2371639A
Cited
US2405008A
Cited
US2525284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |