Patent US2455618A successfully refreshed from Google Patents.
US2455618A
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Damping follow-up mechanism by degenerative derivative
Assignee: REMCO ELECTRONIC Inc
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Filing: 1945-01-10
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Granted: 1948-12-07
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Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis H Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554698A
Cited
US2241762A
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US2233415A
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US2237425A
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US2221579A
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US2412485A
Cited
US2435958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |