US3174781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable coupling
Assignee: Individual
•
Filing: 1962-09-06
•
Granted: 1965-03-23
•
Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Everett J Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:22
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/22; E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5825; E04B1/5837; E04B1/5843; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/20; E04G7/30; E04G7/301; Y; Y10; Y10T; Y10T403/00; Y10T403/36; Y10T403/364; Y10T403/70; Y10T403/7075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US594043A
Cited
US1094020A
Cited
US1514652A
Cited
US1887913A
Cited
GB512175A
Cited
GB641432A
Cited
US2584451A
Cited
CH334776A
Cited
US3066348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |