Patent US3543966A successfully refreshed from Google Patents.
US2496686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
La vergne h
Assignee: —
•
Filing: —
•
Granted: 1950-02-07
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/02; G07C1/04; G07C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1421824A
Cited
US1558743A
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US1582333A
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US1752564A
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US888069A
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US946858A
Cited
US1006968A
Cited
US981421A
Cited
US1300909A
Cited
US1215532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |