US2714520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device for securing mechanical members to shafts or the like
Assignee: Allis Chalmers Corp
•
Filing: 1952-03-06
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Granted: 1955-08-02
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Expires: 1972-03-06
Abstract
No abstract record available.
Inventors
- 👤 Erwin W Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:59
CPC Classifications
F; F16; F16B; F16B3/00; F16B3/06; F16D; F16D1/00; F16D1/06; F16D1/08; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; F16H55/566; Y; Y10; Y10S; Y10S474/00; Y10S474/903; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US333376A
Cited
US2082969A
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US2465471A
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US2556151A
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US2487225A
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US2610515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |