US2297127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cushion
Assignee: American Anode Inc
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Filing: 1940-10-12
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Granted: 1942-09-29
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Expires: 1960-10-12
Abstract
No abstract record available.
Inventors
- 👤 Carl L Beal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:00
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B29C; B29C33/00; B29C33/0033; B29C33/44; B29C33/48; B29C33/485; B29C41/00; B29C41/02; B29C41/14; B29D24/00; B29K; B29K2021/00; B29K2905/00; B29K2905/02; B29L; B29L2031/00; B29L2031/751
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) | 1945-09-28 | 1946-03-30 | 1946-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-28 | 1950-03-30 | 1950-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-28 | 1954-03-30 | 1954-09-29 | $7700.00 | Window Closed / Lapsed |