Patent US3677946A successfully refreshed from Google Patents.
Patent US2926040A successfully refreshed from Google Patents.
US2926040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulkhead-type door construction
Assignee: Paccar Inc
•
Filing: 1957-02-08
•
Granted: 1960-02-23
•
Expires: 1977-02-08
Abstract
No abstract record available.
Inventors
- 👤 Kramer Gideon
- 👤 Robert B Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:33
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/04; B60J5/0486; B60J5/0488
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US847443A
Cited
US1804794A
Cited
US2532203A
Cited
US2689765A
Cited
US2597837A
Cited
US2566871A
Cited
US2660470A
Cited
US2624614A
Cited
US2760814A
Cited
US2801688A
Cited
US2765056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |