US2429121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rubber goods
Assignee: Seamless Rubber Co
•
Filing: 1942-06-17
•
Granted: 1947-10-14
•
Expires: 1962-06-17
Abstract
No abstract record available.
Inventors
- 👤 Cornelius J Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:11
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/50; A; A41; A41C; A41C5/00; A41C5/005; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/48; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1310436A
Cited
US672909A
Cited
US1263462A
Cited
US1232573A
Cited
US1389485A
Cited
US1433971A
Cited
US1531504A
Cited
US1592536A
Cited
US1737874A
Cited
US2048475A
Cited
US1878044A
Cited
US2012927A
Cited
GB412300A
Cited
US2032832A
Cited
US2007548A
Cited
GB443696A
Cited
DE697536C
Cited
GB494885A
Cited
US2233174A
Cited
US2276004A
Cited
US2354916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |