US2364036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making sponge rubber cushions or like articles
Assignee: Sun Rubber Co
•
Filing: 1941-08-14
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Granted: 1944-11-28
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Expires: 1961-08-14
Abstract
No abstract record available.
Inventors
- 👤 John A Mackay
- 👤 Charles H Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:43
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0033; B29C44/00; B29C44/34; B29C44/58; B29C44/583; Y; Y10; Y10S; Y10S264/00; Y10S264/11
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) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |