US2321340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber article and method of making same
Assignee: Individual
•
Filing: 1941-04-09
•
Granted: 1943-06-08
•
Expires: 1961-04-09
Abstract
No abstract record available.
Inventors
- 👤 Carl C Waterbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:21
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/70; A; A61; A61F; A61F6/00; A61F6/06; A61F6/08; B29C43/00; B29C43/02; B29C43/18; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/753; B29L2031/754
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) | 1946-06-07 | 1946-12-07 | 1947-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-07 | 1950-12-07 | 1951-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-07 | 1954-12-07 | 1955-06-08 | $7700.00 | Window Closed / Lapsed |