US2693255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction guy ring
Assignee: CROWN CONTROLS Co Inc
•
Filing: 1949-12-31
•
Granted: 1954-11-02
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Paul A Dicke
- 👤 Gilbert Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1228; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/73; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32131; Y10T403/32213; Y10T403/32975; Y10T403/32983; Y10T403/34; Y10T403/341; Y10T403/345; Y10T403/346; Y10T403/70; Y10T403/7041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US126469A
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US823959A
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US1423377A
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FR563746A
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US1473935A
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GB209437A
Cited
US1844650A
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US2258267A
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GB543165A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |