US2769205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded cellular rubber with elliptical cells and method of making
Assignee: Rubatex Products Inc
•
Filing: 1952-04-03
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Granted: 1956-11-06
•
Expires: 1972-04-03
Abstract
No abstract record available.
Inventors
- 👤 Pfleumer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:24
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/02; A43B13/04; B; B29; B29C; B29C67/00; B29C67/24; Y; Y10; Y10S; Y10S264/00; Y10S264/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2421831A
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US2376653A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |