US3402824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible cargo handling system
Assignee: PACIFIC COAST ENG CO
•
Filing: 1966-07-25
•
Granted: 1968-09-24
•
Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Charles H Zweifel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:05
CPC Classifications
B; B66; B66C; B66C7/00; B66C1/00; B66C1/10; B66C1/101; B66C13/00; B66C3/00; B66C3/12; B66C3/125; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/017
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |