US2702484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upsilon-belt speed changer
Assignee: Individual
•
Filing: 1950-10-18
•
Granted: 1955-02-22
•
Expires: 1970-10-18
Abstract
No abstract record available.
Inventors
- 👤 James D Arata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:57
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR741212A
Cited
US1235794A
Cited
US2214854A
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US1993131A
Cited
US2074997A
Cited
US2153151A
Cited
US2256312A
Cited
US2209736A
Cited
US2524575A
Cited
US2589897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |