US3438276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Divided hub
Assignee: Individual
•
Filing: 1966-02-01
•
Granted: 1969-04-15
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Artur Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0036; B60B33/0042; A; A63; A63H; A63H33/00; A63H33/04; A63H33/042; B60B33/0028; F; F16; F16H; F16H55/00; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US904341A
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US1800981A
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US2105317A
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US2307747A
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US2452742A
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US2566663A
Cited
US2639621A
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US3076668A
Cited
US3003149A
Cited
US3250148A
Cited
US3321863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |