Patent US3472049A successfully refreshed from Google Patents.
US3472049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination shackle lock
Assignee: CORPORATION A CORP OF DELAWARE LLC
•
Filing: 1967-09-13
•
Granted: 1969-10-14
•
Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:52
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/0031; E05B37/0034; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/415; Y10T70/417; Y10T70/422; Y10T70/424; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |