Patent US2787353A successfully refreshed from Google Patents.
US2787353A
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US
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Locking and control means for shafts
Assignee: AUTOMATIC LOCKING DEVICES Inc
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Filing: 1954-11-02
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Granted: 1957-04-02
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Expires: 1974-11-02
Abstract
No abstract record available.
Inventors
- 👤 Spraragen Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:42
CPC Classifications
F; F16; F16B; F16B1/00; F16B1/02; F16B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR672890A
Cited
US2066167A
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US2341647A
Cited
US2475159A
Cited
US2414341A
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US2502915A
Cited
US2633213A
Cited
US2670824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |