US1919532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating covering
Assignee: STANDARD ASBESTOS Manufacturing AND INSU
•
Filing: 1929-01-04
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Granted: 1933-07-25
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Expires: 1949-01-04
Abstract
No abstract record available.
Inventors
- 👤 Willard E Ryder
- 👤 Walter D Reber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:55
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/16; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/237
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) | 1936-07-24 | 1937-01-23 | 1937-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-24 | 1941-01-23 | 1941-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-24 | 1945-01-23 | 1945-07-25 | $7700.00 | Window Closed / Lapsed |