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US3421379A
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Rotary-linear convertor
Assignee: ROBERT P CARROLL
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Filing: 1966-09-29
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Granted: 1969-01-14
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Robert P Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/44; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/18568
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1159620A
Cited
US2330047A
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US2619133A
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US2775800A
Cited
US3111851A
Cited
US3134266A
Cited
US3226988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |