Patent US2437265A successfully refreshed from Google Patents.
US2437265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tampon, sanitary napkin, surgical dressing, insulating material, filter cartridge, upholstery, and the like
Assignee: Individual
•
Filing: 1943-12-10
•
Granted: 1948-03-09
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Expires: 1963-12-10
Abstract
No abstract record available.
Inventors
- 👤 Fred W Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:57
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20; A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082; A61F13/2085; Y; Y10; Y10S; Y10S604/00; Y10S604/904; Y10T; Y10T428/00; Y10T428/23; Y10T428/237
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |