US3524666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Pullman Standard Inc
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Filing: 1968-08-05
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Granted: 1970-08-18
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Expires: 1988-08-05
Abstract
No abstract record available.
Inventors
- 👤 Harold M Schilf
- 👤 William R Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:56
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; F16B5/0621; F16B5/0642; B; B61; B61D; B61D17/00; B61D17/04; B61D17/10; F16B21/00; F16B21/10; F16B21/12; F16B2200/00; F16B2200/69; F16B2200/71; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4941; Y10T403/71; Y10T403/7117
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |