US2693095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
slingsby
Assignee: —
•
Filing: —
•
Granted: 1954-11-02
•
Expires: 1971-11-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:11
CPC Classifications
D; D04; D04B; D04B3/00; D04B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB392667A
Cited
US1989352A
Cited
US2561522A
Cited
US1254161A
Cited
US1286125A
Cited
US2386666A
Cited
CH215642A
Cited
US2389655A
Cited
US2377928A
Cited
US2388397A
Cited
GB636236A
Cited
US2633720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |