US2565296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded expansible bellows
Assignee: AO Smith Corp
•
Filing: 1945-02-12
•
Granted: 1951-08-21
•
Expires: 1965-02-12
Abstract
No abstract record available.
Inventors
- 👤 John J Chyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/022; F16L51/023; F16L51/025; F16L51/029; Y; Y10; Y10S; Y10S29/00; Y10S29/048; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717196A
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US1756911A
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US1980561A
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US1958260A
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US2071583A
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US2145937A
Cited
US2231888A
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US2264282A
Cited
US2303642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |