Patent US2631638A successfully refreshed from Google Patents.
US2631638A
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US
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Apparatus for mounting end stops on slide fastener stringers
Assignee: Individual
•
Filing: 1949-07-01
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Granted: 1953-03-17
•
Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Levine Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:16
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53291; Y10T29/53296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1694875A
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US1701250A
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US1836497A
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US2034018A
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US2024416A
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US2217121A
Cited
US2209724A
Cited
US2352855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |