US2826237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Longitudinally reinforced backings and apparatus for producing the same
Assignee: Individual
•
Filing: 1955-08-09
•
Granted: 1958-03-11
•
Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:21
CPC Classifications
D; D21; D21F; D21F11/00; B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; B31B50/8126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1565009A
Cited
US1424020A
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US2071926A
Cited
US2283202A
Cited
US2610936A
Cited
US2678676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |