US2685096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cylinder cleaning apparatus
Assignee: Individual
•
Filing: 1950-03-06
•
Granted: 1954-08-03
•
Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 Kaye Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:35
CPC Classifications
B; B08; B08B; B08B1/00; B08B1/30; B08B1/32; B08B1/36; F; F17; F17C; F17C2270/00; F17C2270/05; F17C2270/059
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |