US2518220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless transmission belt and method of making
Assignee: Individual
•
Filing: 1948-03-03
•
Granted: 1950-08-08
•
Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Brown
- 👤 Gertrude E Sedgley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:35
CPC Classifications
B; B29; B29D; B29D29/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
AN ENDLESS SEAMLESS BELT HAVING A BODY OF WOVEN TEXTILE FABRIC WHICH IS IMPREGNATED WITH RUBBER LATEX COMPOUND AND IS FREE FROM SIZING AND OILS THAT HAVE A DELETERIOUS EFFECT ON SUCH RUBBER LATEX COMPOUND, ONE SIDE AT LEAST OF SAID BODY BEING COATED WITH A THIN WAFER-LIKE COATING OF RUBBER HAVING A THICKNESS ON THE ORDER OF .010''''.
References Cited (Backward Citations)
US1279601A
Cited
US1372428A
Cited
US1503453A
Cited
US2173040A
Cited
US2253242A
Cited
US2288391A
Cited
US2330405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |