US3526422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box latch
Assignee: Rexnord Inc
•
Filing: 1967-07-26
•
Granted: 1970-09-01
•
Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Walter Trotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:43
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0871; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127205A
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DE971191C
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CH261245A
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US2679417A
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US2818596A
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US2859996A
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US3026133A
Cited
US3034817A
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US3162419A
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US3174784A
Cited
US3318624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |