US3290918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a shaft coupling
Assignee: Individual
•
Filing: 1965-09-13
•
Granted: 1966-12-13
•
Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony V Weasler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/108; F16D1/116; F16D2001/103; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49465; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF MAKING A FEMALE COUPLING ELEMENT, WHICH METHOD CONSISTS IN CUTTING SPLINES IN THE INTERIOR OF SAID ELEMENT, AND SWINGING THE ENDS OF THE RESPECTIVE SPLINES TO FORM A LATERAL SURFACES WHICH ARE CONVERGENT TOWARD SAID ENDS, THE METAL OF THE SWAGED ENDS OF THE SPLINES BEING DISPLACED AND COMPACTED.
Claim 2
Independent Claim
52 words
A METHOD OF MAKING A FEMALE COUPLING ELEMENT, WHICH METHOD CONSISTS IN CUTTING SPLINES IN THE INTERIOR OF SAID ELEMENT, AND SWINGING THE ENDS OF THE RESPECTIVE SPLINES TO FORM A LATERAL SURFACES WHICH ARE CONVERGENT TOWARD SAID ENDS, THE METAL OF THE SWAGED ENDS OF THE SPLINES BEING DISPLACED AND COMPACTED.
References Cited (Backward Citations)
US3124377A
Cited
US1907897A
Cited
US2066372A
Cited
US2340529A
Cited
GB651603A
Cited
US3073192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |