US2473623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing slide fasteners
Assignee: SERVAL SLIDE FASTENERS Inc
•
Filing: 1946-03-18
•
Granted: 1949-06-21
•
Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Voity Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:33
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5101; Y10T29/5116; Y10T29/5117; Y10T29/5183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1888254A
Cited
US2185769A
Cited
US2141200A
Cited
US2148673A
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US2201068A
Cited
US2267782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |