US2641297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for assembling receptacle closures and seals
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1950-03-30
•
Granted: 1953-06-09
•
Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Eibe A Wilckens
- 👤 Charles C Stoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:52
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768; Y10T156/1771; Y10T156/1776; Y10T156/1778; Y10T156/178
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1098087A
Cited
US1236019A
Cited
US1401300A
Cited
US1574913A
Cited
US2218540A
Cited
US2308027A
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 |