US2533653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of finishing rubber articles
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1947-07-09
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Granted: 1950-12-12
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Expires: 1967-07-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Winkeljohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
B; B24; B24B; B24B31/00; B29; B29C; B29C37/00; B29C37/02; F; F25; F25D; F25D3/00; F25D3/12; B29C35/00; B29C35/16; B29C2035/1616; B29C2035/1625; B29C2035/165; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |