Patent US2581606A successfully refreshed from Google Patents.
US2581606A
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Door latch construction
Assignee: SEAMAN
•
Filing: 1947-10-02
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Granted: 1952-01-08
•
Expires: 1967-10-02
Abstract
No abstract record available.
Inventors
- 👤 Seaman David Joseph
- 👤 Wood Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:26
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/024; E05B15/025; E05B15/10; E05B63/00; E05B63/22; Y; Y10; Y10S; Y10S292/00; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US609422A
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US1738387A
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US1111425A
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US1463384A
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US1686805A
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US1791898A
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US2108965A
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GB430369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |