Patent US3084647A successfully refreshed from Google Patents.
US3084647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread disposal system for sewing machines
Assignee: Singer Co
•
Filing: 1960-06-28
•
Granted: 1963-04-09
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 David W Matchett
- 👤 William J Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:06
CPC Classifications
D; D05; D05B; D05B59/00; D05B57/00; D05B57/26; D05B73/00; D05B73/005; D05D; D05D2207/00; D05D2207/02; D05D2207/04; D05D2305/00; D05D2305/50; Y; Y10; Y10S; Y10S112/00; Y10S112/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A SEWING MACHINE HAVING A CASING INCLUDING A WORK SUPPORTING BED, A ROTARY LOOP TAKER JOURNALED ON AN AXIS DISPOSED BENEATH SAID BED, A THREAD CARRYING BOBBIN JOURNALED IN SAID LOOP TAKER, MEANS ASSOCIATED WITH SAID LOOP TAKER FOR DRAWING OUT TO ONE SIDE OF SAID LOOP TAKER THE THREAD WOUND ON SAID BOBBIN, MEANS FOR SEVERING SAID DRAWN OUT BOBBIN THREAD CLOSELY ADJACENT TO SAID WORK SUPPORTING BED, COVER MEANS ATTACHABLE BENEATH SAID BED PROVIDING A CHAMBER ENCLOSING SAID LOOP TAKER, MEANS DEFINING AN AIR OUTLET PORT IN SAID COVER MEANS OPENING INTO SAID CHAMBER COMPLETELY BENEATH SAID LOOP TAKER AND COMPLETELY ON THAT SIDE OF THE AXIS OF SAID LOOP TAKER TO WHICH SAID BOBBIN THREAD IS DRAWN OUT, MEANS DEFINING IN AIR INLET PORT INTO SAID CHAMBER COMPLETELY ABOVE AND COMPLETELY AT THE OPPOSITE SIDE OF THE AXIS OF SAID LOOP TAKER FROM SAID OUTLET PORT, AND MEANS FOR EVACUATING AIR FROM SAID CHAMBER THROUGH SAID OUTLET PORT.
Claim 2
Dependent Claim
162 words
IN A SEWING MACHINE HAVING A CASING INCLUDING A WORK SUPPORTING BED, A ROTARY LOOP TAKER JOURNALED ON AN AXIS DISPOSED BENEATH SAID BED, A THREAD CARRYING BOBBIN JOURNALED IN SAID LOOP TAKER, MEANS ASSOCIATED WITH SAID LOOP TAKER FOR DRAWING OUT TO ONE SIDE OF SAID LOOP TAKER THE THREAD WOUND ON SAID BOBBIN, MEANS FOR SEVERING SAID DRAWN OUT BOBBIN THREAD CLOSELY ADJACENT TO SAID WORK SUPPORTING BED, COVER MEANS ATTACHABLE BENEATH SAID BED PROVIDING A CHAMBER ENCLOSING SAID LOOP TAKER, MEANS DEFINING AN AIR OUTLET PORT IN SAID COVER MEANS OPENING INTO SAID CHAMBER COMPLETELY BENEATH SAID LOOP TAKER AND COMPLETELY ON THAT SIDE OF THE AXIS OF SAID LOOP TAKER TO WHICH SAID BOBBIN THREAD IS DRAWN OUT, MEANS DEFINING IN AIR INLET PORT INTO SAID CHAMBER COMPLETELY ABOVE AND COMPLETELY AT THE OPPOSITE SIDE OF THE AXIS OF SAID LOOP TAKER FROM SAID OUTLET PORT, AND MEANS FOR EVACUATING AIR FROM SAID CHAMBER THROUGH SAID OUTLET PORT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |