US2569451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diving suit
Assignee: DIVING EQUIPMENT AND SUPPLY CO
•
Filing: 1946-02-28
•
Granted: 1951-10-02
•
Expires: 1966-02-28
Abstract
No abstract record available.
Inventors
- 👤 Browne Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:33
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/12; B63C11/14; B63C11/04; B63C2011/043; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/4459; Y10T24/44598
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2347583A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |