US2701160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch operating unit
Assignee: Emhart Industries Inc
•
Filing: 1951-02-20
•
Granted: 1955-02-01
•
Expires: 1971-02-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Teich
- 👤 Irving J Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18399E
Cited
US1991031A
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US1937930A
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US1876885A
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US2076125A
Cited
US2461085A
Cited
US2665935A
Cited
US2547256A
Cited
US2593264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |