US2028852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door locking means
Assignee: Packard Motor Car Co
•
Filing: 1934-03-30
•
Granted: 1936-01-28
•
Expires: 1954-03-30
Abstract
No abstract record available.
Inventors
- 👤 Charles H Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:20
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/06; E05B47/0603; E05B85/00; E05B85/20; E05B85/22; E05B47/0001; E05B47/0002; E05B2047/0007; E05B2047/0008; E05B47/0006; E05B81/00; E05B81/02; E05B81/04; E05B81/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/60; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/713
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-01-27 | 1939-07-29 | 1940-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-27 | 1943-07-29 | 1944-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-27 | 1947-07-29 | 1948-01-28 | $7700.00 | Window Closed / Lapsed |