US2600609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure actuated mechanical alarm
Assignee: DEFIANCE AUTOMATIC SCREW Co
•
Filing: 1948-02-03
•
Granted: 1952-06-17
•
Expires: 1968-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jay P Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:46
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US314450A
Cited
US1771691A
Cited
US1042025A
Cited
US1562067A
Cited
US1819347A
Cited
US2430850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |