US1881337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material and method of making same
Assignee: TANSEIB Co
•
Filing: 1931-01-13
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Granted: 1932-10-04
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Expires: 1951-01-13
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:05
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/88; B29B7/90; B29C; B29C43/00; B29C43/02; B29C43/021; B29C59/00; B29C59/02; B29C59/022; B29C59/025; B29C2059/027; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/12; B29K2995/00; B29K2995/0018; B29K2995/002; B29K2995/0021; B29L; B29L2031/00; B29L2031/732; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/23907; Y10T428/2395
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) | 1935-10-04 | 1936-04-04 | 1936-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-04 | 1940-04-04 | 1940-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-04 | 1944-04-04 | 1944-10-04 | $7700.00 | Window Closed / Lapsed |