Patent US2082619A successfully refreshed from Google Patents.
US2082619A
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US
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Separable fastener
Assignee: Individual
•
Filing: 1935-10-10
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Granted: 1937-06-01
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Expires: 1955-10-10
Abstract
No abstract record available.
Inventors
- 👤 Eberhard H Dau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:35
CPC Classifications
B; B29; B29D; B29D5/00; B29D5/02; A; A44; A44B; A44B19/00; A44B19/10; A44B19/14; Y; Y10; Y10S; Y10S425/00; Y10S425/814; Y10T; Y10T24/00; Y10T24/25; Y10T24/2536; Y10T24/2539; Y10T24/255; Y10T24/2554; Y10T24/2557
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) | 1940-05-31 | 1940-11-30 | 1941-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-31 | 1944-11-30 | 1945-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-31 | 1948-11-30 | 1949-06-01 | $7700.00 | Window Closed / Lapsed |