US2647440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecularly aligned sheet material
Assignee: Individual
•
Filing: 1947-08-08
•
Granted: 1953-08-04
•
Expires: 1967-08-08
Abstract
No abstract record available.
Inventors
- 👤 Miles P Rehorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:55
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; G02B5/3033; G02B30/00; G02B30/20; G02B30/22; G02B30/25; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218875A
Cited
US2301254A
Cited
US2281101A
Cited
US2317875A
Cited
US2398506A
Cited
US2380363A
Cited
US2402166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |