US3445912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiautomatic wire-fed dual top stop production and securement machine for slide fasteners
Assignee: Individual
•
Filing: 1966-05-17
•
Granted: 1969-05-27
•
Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Morris Perlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:56
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5101; Y10T29/5136; Y10T29/5137; Y10T29/5142; Y10T29/53; Y10T29/53039; Y10T29/53061; Y10T29/53065; Y10T29/5307; Y10T29/53291; Y10T29/53296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US445139A
Cited
US2732000A
Cited
US1712843A
Cited
US2205616A
Cited
US2523388A
Cited
US2701877A
Cited
US2663018A
Cited
US2766452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |