US2158086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing cellular rubber sheets
Assignee: Rubatex Products Inc
•
Filing: 1936-03-27
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Granted: 1939-05-16
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Expires: 1956-03-27
Abstract
No abstract record available.
Inventors
- 👤 Roberts Dudley
- 👤 James S Reld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:19
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0011; B26; B26D; B26D3/00; B26D3/28; B29C44/00; B29C44/34; B29C44/3442; B29C44/3446; B29C44/56; B29C44/5627; B29C2793/00; B29K; B29K2007/00; B29K2105/00; B29K2105/04; B29K2995/00; B29K2995/0018; B29K2995/002; B29K2995/0021; Y; Y10; Y10S; Y10S264/00; Y10S264/64
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) | 1942-05-15 | 1942-11-14 | 1943-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-15 | 1946-11-14 | 1947-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-15 | 1950-11-14 | 1951-05-16 | $7700.00 | Window Closed / Lapsed |