Patent US3077169A successfully refreshed from Google Patents.
US3077169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable free arm type sewing machine
Assignee: FILOTECNICA SALMOIRAGHI SpA
•
Filing: 1960-02-09
•
Granted: 1963-02-12
•
Expires: 1980-02-09
Abstract
No abstract record available.
Inventors
- 👤 Bruscaglioni Raffaello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:52
CPC Classifications
D; D05; D05B; D05B73/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A SEWING MACHINE OF THE TYPE HAVING A CLOTH FEED MECHANISM, A PRESSER BAR ADAPTED TO BE RAISED AND LOWERED WITH RESPECT TO THE CLOTH FEED MECHANISM AND A NEEDLE CARRIER ROD HAVING A NEEDLE POSITIONED THEREIN, THE IMPROVEMENT COMPRISING A REVERSIBLE ROTARY ELECTRIC MOTOR HAVING A ROTATABLE DRIVE SHAFT, TRANSMISSION MEANS OPERATIVELY CONNECTED BETWEEN THE MOTOR DRIVE SHAFT AND THE NEEDLE CARRIER ROD AND THE CLOTH FEED MECHANISM, REVERSING SWITCH MEANS OPERATIVELY CONNECTED TO THE MOTOR, AND A LEVER HAVING ONE END CONNECTED TO THE PRESSER
Claim 2
Dependent Claim
88 words
IN A SEWING MACHINE OF THE TYPE HAVING A CLOTH FEED MECHANISM, A PRESSER BAR ADAPTED TO BE RAISED AND LOWERED WITH RESPECT TO THE CLOTH FEED MECHANISM AND A NEEDLE CARRIER ROD HAVING A NEEDLE POSITIONED THEREIN, THE IMPROVEMENT COMPRISING A REVERSIBLE ROTARY ELECTRIC MOTOR HAVING A ROTATABLE DRIVE SHAFT, TRANSMISSION MEANS OPERATIVELY CONNECTED BETWEEN THE MOTOR DRIVE SHAFT AND THE NEEDLE CARRIER ROD AND THE CLOTH FEED MECHANISM, REVERSING SWITCH MEANS OPERATIVELY CONNECTED TO THE MOTOR, AND A LEVER HAVING ONE END CONNECTED TO THE PRESSER
References Cited (Backward Citations)
CA516183A
Cited
US2899832A
Cited
US2617375A
Cited
US2526481A
Cited
US2643749A
Cited
US2741202A
Cited
US2962992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |