US2406801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making insulating blankets
Assignee: Individual
•
Filing: 1943-03-01
•
Granted: 1946-09-03
•
Expires: 1963-03-01
Abstract
No abstract record available.
Inventors
- 👤 William B Byers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:16
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7654; E04B1/7658; E04B1/7662; E04B1/7666; E04B1/767; D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T156/1093; Y10T156/1095; Y10T156/1097; Y10T156/1098; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-09-02 | 1950-03-04 | 1950-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-02 | 1954-03-04 | 1954-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-02 | 1958-03-04 | 1958-09-03 | $7700.00 | Window Closed / Lapsed |