US2763315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible bonded mica insulation
Assignee: Westinghouse Electric Corp
•
Filing: 1950-05-10
•
Granted: 1956-09-18
•
Expires: 1970-05-10
Abstract
No abstract record available.
Inventors
- 👤 Leo J Berberich
- 👤 Harold M Philofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
B; B32; B32B; B32B27/00; H; H01; H01B; H01B3/00; H01B3/02; H01B3/04; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/425; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
FLEXIBLE MICA INSULATION COMPRISING TWO SUPERIMPOSED SHEETS OF PLIABLE BASE MATERIAL, A LAYER OF MICA
Claim 2
Dependent Claim
15 words
FLEXIBLE MICA INSULATION COMPRISING TWO SUPERIMPOSED SHEETS OF PLIABLE BASE MATERIAL, A LAYER OF MICA
References Cited (Backward Citations)
US1771367A
Cited
US2012948A
Cited
US2462228A
Cited
US2479357A
Cited
US2656290A
Cited
US2562004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |