US3495470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical thread and pin gear reduction
Assignee: Individual
•
Filing: 1968-04-03
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Granted: 1970-02-17
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Expires: 1988-04-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Mccartin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:23
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/10; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/166; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19651; Y10T74/19656; Y10T74/19698; Y10T74/19828; Y10T74/19949; Y10T74/19963; Y10T74/19972; Y10T74/19977; Y10T74/19981
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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |