US2937042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Reliance Electric and Engineering Co
•
Filing: 1958-10-02
•
Granted: 1960-05-17
•
Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Stuart Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:15
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; Y; Y10; Y10S; Y10S474/00; Y10S474/903; Y10T; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T403/7018; Y10T403/7021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1009729A
Cited
US1836348A
Cited
US2516472A
Cited
US2607956A
Cited
US2686069A
Cited
US2852056A
Cited
US2801530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |