US2529331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Individual
•
Filing: 1948-03-25
•
Granted: 1950-11-07
•
Expires: 1968-03-25
Abstract
No abstract record available.
Inventors
- 👤 Ellis Arthur Godfrey
- 👤 Abberley Maurice Whiston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:39
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/0093; B; B28; B28B; B28B1/00; B28B1/02; B28B1/025; B29; B29C; B29C33/00; B29C33/76; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10T; Y10T279/00; Y10T279/11
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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |