Patent US2773573A successfully refreshed from Google Patents.
US2773573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlock mechanism
Assignee: Caterpillar Inc
•
Filing: 1955-01-07
•
Granted: 1956-12-11
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Nicholai M Erdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:17
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/06; G05G5/08; B; B66; B66D; B66D1/00; B66D1/26; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166; B66D2700/0175; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20091; Y10T74/20104; Y10T74/20116; Y10T74/20576; Y10T74/20636; Y10T74/20648
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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |