US3417461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin-film diffusion brazing of titanium members utilizing copper intermediates
Assignee: Northrop Grumman Corp
•
Filing: 1965-12-15
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Granted: 1968-12-24
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Robert R Wells
- 👤 Ernie B Mikus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:06
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; B23K35/001; B23K35/005; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA662977A
Cited
US2512455A
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US2847302A
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US2906008A
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US2857663A
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US2859512A
Cited
GB833758A
Cited
US3106773A
Cited
US3302282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |