US2453503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of attaching tear strip winding keys to receptacles
Assignee: Continental Can Co Inc
•
Filing: 1944-02-21
•
Granted: 1948-11-09
•
Expires: 1964-02-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/383; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1817710A
Cited
US1950156A
Cited
US2029329A
Cited
US2047250A
Cited
US2146388A
Cited
US2304833A
Cited
US2277108A
Cited
US2365100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |