US3478415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of metals or alloys
Assignee: Johnson Matthey PLC
•
Filing: 1966-08-12
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Granted: 1969-11-18
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Expires: 1986-08-12
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Selman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/018; B22; B22F; B22F7/00; B22F7/06; B22F7/08; B23; B23K; B23K35/00; B23K35/001; B23K35/22; B23K35/24; B23K35/30; B23K35/3013; C; C23; C23C; C23C26/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |