US2518548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic safety lock for cylinders
Assignee: American Laundry Machinery Co
•
Filing: 1946-12-07
•
Granted: 1950-08-15
•
Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Howland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:09
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/009; D; D06; D06F; D06F37/00; D06F37/30; D06F37/302; F16; F16P; F16P3/00; F16P3/08; F26B11/00; F26B11/18; F26B11/181; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/219; Y10T74/2191
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US655536A
Cited
GB190906703A
Cited
US1275486A
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US1457160A
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US1539772A
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US1732210A
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CH151004A
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US1964144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |