US2489474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for effecting automatic repetition of predetermined numbers of events
Assignee: COUNTER AND CONTROL Corp
•
Filing: 1945-08-13
•
Granted: 1949-11-29
•
Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 Karl H Andren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:05
CPC Classifications
G; G05; G05G; G05G21/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19191; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19488; Y10T74/19493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753135A
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US1715137A
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US1796232A
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US944978A
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US1283386A
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US1424797A
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US1425209A
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US1634677A
Cited
US1907418A
Cited
US1997444A
Cited
US2128715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |