Patent US3504418A successfully refreshed from Google Patents.
US3504418A
Expired / Lapsed
US
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Means for automatically feeding and controlling a device for applying top stops to slider fasteners
Assignee: Individual
•
Filing: 1967-06-12
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Granted: 1970-04-07
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Morris Perlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:09
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53026; Y10T29/5303; Y10T29/53039; Y10T29/53061; Y10T29/53065; Y10T29/53291; Y10T29/53296; Y10T29/53313; Y10T29/53348; Y10T29/53361
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2631638A
Cited
US2766452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |