US2637085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastener
Assignee: Flexigrip Inc
•
Filing: 1950-12-13
•
Granted: 1953-05-05
•
Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Madsen Borge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:21
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/10; B65D63/1018; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; B65D33/2541; A; A44; A44B; A44B19/00; A44B19/10; A44B19/16; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10S24/39; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45173
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1887741A
Cited
US2558367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |