Patent US2919602A successfully refreshed from Google Patents.
US2919602A
Expired / Lapsed
US
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Protective knob unit
Assignee: AUTOMATIC LOCKING DEVICES Inc
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Filing: 1958-10-02
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Granted: 1960-01-05
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Spraragen Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:50
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; B; B60; B60K; B60K35/00; B60K35/10; B60K35/20; B60K35/25; F; F16; F16D; F16D7/00; F16D7/04; F16D7/06; F16D7/10; B60K2360/00; B60K2360/126; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1111990A
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US1611940A
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US2311230A
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US2373812A
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US2401992A
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US2502915A
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US2634650A
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US2660904A
Cited
US2881602A
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US2885918A
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US2826107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |