Patent US2115369A successfully refreshed from Google Patents.
US2115369A
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Method of manufacturing end stops for separable fasteners
Assignee: WHITEHALL PATENTS Corp
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Filing: 1936-02-29
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Granted: 1938-04-26
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Expires: 1956-02-29
Abstract
No abstract record available.
Inventors
- 👤 Marinsky Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/42; A44B19/60; A44B19/24; A44B19/38; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2593; Y10T24/2595; Y10T29/00; Y10T29/49; Y10T29/49782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |