Patent US2613433A successfully refreshed from Google Patents.
US2613433A
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Apparatus for interlockably assembling fastener stringers
Assignee: Individual
•
Filing: 1948-12-27
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Granted: 1952-10-14
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Expires: 1968-12-27
Abstract
No abstract record available.
Inventors
- 👤 Fred H Rojahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:29
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/53; Y10T29/53291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855272A
Cited
US1885868A
Cited
GB442328A
Cited
US2287263A
Cited
US2327849A
Cited
US2418761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |