Patent US2930941A successfully refreshed from Google Patents.
US2930941A
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US
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Punch card control system
Assignee: Industrial Timer Corp
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Filing: 1956-04-03
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Granted: 1960-03-29
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Expires: 1976-04-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Neidenberg
- 👤 Tamburr Victor
- 👤 James A Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:42
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/24; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2695379A
Cited
US2646733A
Cited
US2656109A
Cited
US2573405A
Cited
US2744172A
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US2811202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |