US2428097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drier felt seam securing strip and seam formed therewith
Assignee: ASTEN HILL Manufacturing CO
•
Filing: 1941-12-23
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Granted: 1947-09-30
•
Expires: 1961-12-23
Abstract
No abstract record available.
Inventors
- 👤 Roslund John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:16
CPC Classifications
B; B29; B29D; B29D5/00; D; D21; D21F; D21F7/00; D21F7/08; D21F7/10; Y; Y10; Y10S; Y10S24/00; Y10S24/11; Y10T; Y10T24/00; Y10T24/16; Y10T24/1664; Y10T428/00; Y10T428/19; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24752; Y10T428/2476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1038874A
Cited
US1383726A
Cited
US1536533A
Cited
US1955083A
Cited
US1970755A
Cited
US2089469A
Cited
US2294088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |