Patent US2545055A successfully refreshed from Google Patents.
US2545055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time selector for electrical mechanisms
Assignee: Individual
•
Filing: 1950-06-20
•
Granted: 1951-03-13
•
Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 George W Switzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04C21/28; G04C23/00; G04C23/14; G04C23/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2078487A
Cited
US2165483A
Cited
US2072046A
Cited
US2050719A
Cited
US2240499A
Cited
US2190699A
Cited
US2215842A
Cited
US2177479A
Cited
US2228969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |