US2547108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: Individual
•
Filing: 1947-05-22
•
Granted: 1951-04-03
•
Expires: 1967-05-22
Abstract
No abstract record available.
Inventors
- 👤 Carl E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0976; Y10T292/1014; Y10T292/1022; Y10T292/1024; Y10T292/1028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE40266C
Cited
US57423A
Cited
US336374A
Cited
USRE15569E
Cited
US980630A
Cited
US1287973A
Cited
GB524590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |