Patent US3543724A successfully refreshed from Google Patents.
US2402287A
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Plastic rivet
Assignee: Shellmar Products Corp
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Filing: 1943-09-27
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Granted: 1946-06-18
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Expires: 1963-09-27
Abstract
No abstract record available.
Inventors
- 👤 Kearns Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/44; B29C45/4407; Y; Y10; Y10S; Y10S425/00; Y10S425/058
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) | 1949-06-17 | 1949-12-17 | 1950-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-17 | 1953-12-17 | 1954-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-17 | 1957-12-17 | 1958-06-18 | $7700.00 | Window Closed / Lapsed |