US2446493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jar ring
Assignee: Boston Woven Hose and Rubber Co
•
Filing: 1945-12-07
•
Granted: 1948-08-03
•
Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 Cyril L Silvia
- 👤 Smith Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1672; B65D51/1683; B65D53/00; B65D53/02; Y; Y10; Y10S; Y10S277/00; Y10S277/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |