US1960042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Securing protective covering to metallic surfaces
Assignee: AO Smith Corp
•
Filing: 1930-06-18
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Granted: 1934-05-22
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Expires: 1950-06-18
Abstract
No abstract record available.
Inventors
- 👤 Orrin E Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:15
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; B; B21; B21D; B21D39/00; B21D39/03; B23; B23K; B23K11/00; B23K11/002; B23K11/004; Y; Y10; Y10S; Y10S138/00; Y10S138/09; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T29/49826; Y10T29/49885; Y10T29/49886; Y10T29/49888; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12389; Y10T428/12396; Y10T428/12451; Y10T428/12493; Y10T428/12535; Y10T428/12556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-05-21 | 1937-11-20 | 1938-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-21 | 1941-11-20 | 1942-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-21 | 1945-11-20 | 1946-05-22 | $7700.00 | Window Closed / Lapsed |