Patent US2507091A successfully refreshed from Google Patents.
US2507091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blanket holder
Assignee: Individual
•
Filing: 1948-05-15
•
Granted: 1950-05-09
•
Expires: 1968-05-15
Abstract
No abstract record available.
Inventors
- 👤 Charles G Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:09
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/02; A47C21/022; Y; Y10; Y10T; Y10T24/00; Y10T24/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US250112A
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US731844A
Cited
US948367A
Cited
US1461199A
Cited
US1390608A
Cited
US1468624A
Cited
US1853579A
Cited
US2109652A
Cited
US2151375A
Cited
US2399235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |