US3176410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum bronze cylindrical shell
Assignee: Ampco Metal Inc
•
Filing: 1961-04-04
•
Granted: 1965-04-06
•
Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 John F Klement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/01; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; D; D21; D21F; D21F5/00; D21F5/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12493; Y10T428/12639; Y10T428/12771; Y10T428/12861; Y10T428/12903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1991556A
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US2151048A
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US2328321A
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US2430419A
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US2519105A
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US2798826A
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US3052039A
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US2948061A
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |