US2201669A
Expired / Lapsed
US
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Edge sealing for sponge rubber
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1938-05-27
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Granted: 1940-05-21
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Expires: 1958-05-27
Abstract
No abstract record available.
Inventors
- 👤 Herman T Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:33
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0044; B29C65/00; B29C65/48; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81419; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/52; B29C65/526; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29K; B29K2007/00; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/58; B29L2031/718; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1036; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24777; Y10T428/24793
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) | 1943-05-21 | 1943-11-20 | 1944-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-21 | 1947-11-20 | 1948-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-21 | 1951-11-20 | 1952-05-21 | $7700.00 | Window Closed / Lapsed |