US1753185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of rubber from guayule, etc.
Assignee: INTERCONTINENTAL RUBBER Co
•
Filing: 1926-05-12
•
Granted: 1930-04-01
•
Expires: 1946-05-12
Abstract
No abstract record available.
Inventors
- 👤 Spence David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/02; C; C08; C08C; C08C1/00; C08C1/02; C08C1/06; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S528/00; Y10S528/93; Y10S528/931
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-03-31 | 1933-09-30 | 1934-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-31 | 1937-09-30 | 1938-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-31 | 1941-09-30 | 1942-04-01 | $7700.00 | Window Closed / Lapsed |