US2264237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for working rubber or the like
Assignee: Individual
•
Filing: 1941-01-29
•
Granted: 1941-11-25
•
Expires: 1961-01-29
Abstract
No abstract record available.
Inventors
- 👤 Brown Frederick Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/562; B29B7/58; B29B7/64
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |