US2019233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation and method of manufacture
Assignee: GEORGE A NICOL Corp
•
Filing: 1935-07-15
•
Granted: 1935-10-29
•
Expires: 1955-07-15
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Nicol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:05
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T156/00; Y10T156/10; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/2457; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/54
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) | 1938-10-28 | 1939-04-29 | 1939-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-28 | 1943-04-29 | 1943-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-28 | 1947-04-29 | 1947-10-29 | $7700.00 | Window Closed / Lapsed |