US3152433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making plastic filament coils for zipper fasteners
Assignee: Scovill Inc
•
Filing: 1962-12-07
•
Granted: 1964-10-13
•
Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 John E Burbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:27
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/06; Y; Y10; Y10S; Y10S425/00; Y10S425/814
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
APPARATUS FOR MAKING A PLASTIC FILAMENT COIL COMPRISING (A) A STATIONARY MANDREL; (B) A CARRIAGE MOUNTED FOR ROTATION ABOUT SAID MANDREL; (C) A MANDREL-LIKE DIE SUPPORTED IN SAID CARRIAGE TO MOVE IN AN ORBITAL PATH AROUND SAID STATIONARY MANDREL; (D) MEANS FOR TURNING SAID DIE ON ITS OWN LONGITUDINAL AXIS ONE REVOLUTION FOR EACH OF ITS ORBITS; (E) A FORMING TOOL ON THE CARRIAGE ADJACENT SAID DIE; AND
References Cited (Backward Citations)
US2475019A
Cited
US2575747A
Cited
US2467227A
Cited
US2931162A
Cited
US3054149A
Cited
DE1121311B
Cited
US3035307A
Cited
DE1126593B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |