Patent US3419388A successfully refreshed from Google Patents.
US3419388A
Expired / Lapsed
US
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Sintered titanium coating process
Assignee: United States Department of the Army
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Filing: 1967-04-11
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Granted: 1968-12-31
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Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 Arutunian Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:09
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12493; Y10T428/12771; Y10T428/12806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA731097A
Cited
US2351798A
Cited
GB568786A
Cited
US2393906A
Cited
US2823116A
Cited
US2711980A
Cited
US2807082A
Cited
US2804397A
Cited
GB781115A
Cited
US3108871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |