US2641154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staple having deflecting points
Assignee: Individual
•
Filing: 1950-08-31
•
Granted: 1953-06-09
•
Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Harold S Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:47
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/04; Y; Y10; Y10S; Y10S411/00; Y10S411/92
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US274481A
Cited
GB190720126A
Cited
US1581887A
Cited
US1811060A
Cited
US2034080A
Cited
US2111404A
Cited
US2369961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |