US3114340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine driving arrangements
Assignee: Rothenborg ApS
•
Filing: 1953-07-30
•
Granted: 1963-12-17
•
Expires: 1973-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hedegaard Kristen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:20
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
A SEWING MACHINE DRIVING ARRANGEMENT COMPRISING A UNITARY SELF-CONTAINED ELECTRIC CLUTCH BRAKE POWER TRANSMITTER HAVING FRAME MEANS, COMPRISING AN ELECTRIC MOTOR WITH A ROTOR, MEANS ROTATABLY SUPPORTING SAID ROTOR WITHIN THE SAID FRAME MEANS, A CLUTCH INCLUDING A DRIVING CLUTCH MEMBER OPERATIVELY CONNECTED WITH SAID ROTOR, A SINGLE BRAKE MEMBER, AND A DRIVEN CLUTCH MEMBER, MEANS FOR SELECTIVELY SHIFTING SAID DRIVEN CLUTCH MEMBER INTO ENGAGEMENT WITH SAID SINGLE DRIVING CLUTCH MEMBER AND WITH SAID SINGLE BRAKE MEMBER, OUTPUT MEANS OPERATIVELY CONNECTED WITH SAID DRIVEN CLUTCH MEMBER, MEANS ROTATABLY SUPPORTING SAID DRIVEN CLUTCH MEMBER, SAID OUTPUT MEANS AND SAID BRAKE MEMBER WITHIN SAID FRAME MEANS, SLOW SPEED DRIVE TRANSMISSION MEANS FOR SAID SINGLE BRAKE MEMBER SUPPORTED ON SAID FRAME MEANS AND OPERATIVE TO CONSTITUTE SAID SINGLE BRAKE MEMBER A DIRECTLY ACTING SLOW
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |