US2523388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: LAMAR SLIDE FASTENER CORP
•
Filing: 1945-06-18
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Granted: 1950-09-26
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Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Natzke
- 👤 Willetts John
- 👤 Frykberg John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:35
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/53; Y10T29/53291; Y10T29/53296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947956A
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US1888254A
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US2048930A
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US2096685A
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US2080984A
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US2125707A
Cited
US2067225A
Cited
US2294253A
Cited
US2310033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |