US2463426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory switch
Assignee: Faximile Inc
•
Filing: 1944-10-20
•
Granted: 1949-03-01
•
Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Ressler
- 👤 John H Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/54; H02M7/58; H02M7/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US410276A
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US824031A
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US1429009A
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US1671245A
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US1989076A
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US1924082A
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US2131789A
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US2200064A
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US2240847A
Cited
US2168113A
Cited
US2280023A
Cited
US2440145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |