US2767451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening pin
Assignee: C E M Co
•
Filing: 1953-09-17
•
Granted: 1956-10-23
•
Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Koehl Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:22
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; A44B1/36; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3649; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45953; Y10T24/46; Y10T24/468; Y10T24/4682; Y10T24/4686
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190524837A
Cited
US823317A
Cited
US1635785A
Cited
US2150118A
Cited
US2462688A
Cited
US2499086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |