US1218982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cork and leather substitute and process of making the same.
Assignee: Individual
•
Filing: 1914-07-16
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Granted: 1917-03-13
•
Expires: 1934-07-16
Abstract
No abstract record available.
Inventors
- 👤 Albert L Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:18
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/35; Y; Y10; Y10S; Y10S215/00; Y10S215/04; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24438
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) | 1920-03-12 | 1920-09-11 | 1921-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-03-12 | 1924-09-11 | 1925-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-03-12 | 1928-09-11 | 1929-03-13 | $7700.00 | Window Closed / Lapsed |