Patent US3335671A successfully refreshed from Google Patents.
Patent US2333189A successfully refreshed from Google Patents.
US2333189A
Expired / Lapsed
US
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Plastic bituminous insulating composition
Assignee: Individual
•
Filing: 1940-07-22
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Granted: 1943-11-02
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Expires: 1960-07-22
Abstract
No abstract record available.
Inventors
- 👤 Orville V Mcgrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:17
CPC Classifications
C; C09; C09D; C09D195/00; Y; Y10; Y10S; Y10S106/00; Y10S106/03
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) | 1946-11-01 | 1947-05-03 | 1947-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-01 | 1951-05-03 | 1951-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-01 | 1955-05-03 | 1955-11-02 | $7700.00 | Window Closed / Lapsed |