Patent US3099869A successfully refreshed from Google Patents.
US3099869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bonding metals
Assignee: Hoover Co
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Filing: 1958-12-19
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Granted: 1963-08-06
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Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Piper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:01
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/0045; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; C23C4/18; D; D06; D06F; D06F75/00; D06F75/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2396730A
Cited
US2611163A
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US2543936A
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US2807700A
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US2840195A
Cited
US2893083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |