US3141713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination latch and interlock system
Assignee: General Electric Co
•
Filing: 1963-05-13
•
Granted: 1964-07-21
•
Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Melvin R Kauffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:32
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4251; A47L15/4257; A47L15/4259; Y; Y10; Y10S; Y10S439/00; Y10S439/911
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |