US2709295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper-lined ferrous article
Assignee: AO Smith Corp
•
Filing: 1951-05-18
•
Granted: 1955-05-31
•
Expires: 1971-05-18
Abstract
No abstract record available.
Inventors
- 👤 John J Chyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/84; B23; B23K; B23K35/00; B23K35/001; B23K35/004; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49394; Y10T29/4998; Y10T29/49988; Y10T29/49989; Y10T428/00; Y10T428/12; Y10T428/12347; Y10T428/12451; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12917; Y10T428/12924; Y10T428/12937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB309032A
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US1939467A
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US2177868A
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US2190267A
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US2352716A
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |