US1243041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering material for aircraft and method of making said material.
Assignee: Individual
•
Filing: 1916-07-08
•
Granted: 1917-10-16
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Expires: 1936-07-08
Abstract
No abstract record available.
Inventors
- 👤 Walter Gordon Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:45
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12396; Y10T428/12444
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) | 1920-10-15 | 1921-04-16 | 1921-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-15 | 1925-04-16 | 1925-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-15 | 1929-04-16 | 1929-10-16 | $7700.00 | Window Closed / Lapsed |