US2704884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming hard facing surfaces
Assignee: Individual
•
Filing: 1951-01-08
•
Granted: 1955-03-29
•
Expires: 1971-01-08
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Ingels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:19
CPC Classifications
C; C23; C23C; C23C26/00; B; B22; B22F; B22F3/00; B22F3/18; B22F7/00; B22F7/02; B22F7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1956462A
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GB350608A
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US1977128A
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US2250561A
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US2299877A
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US2414510A
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US2394047A
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US2409422A
Cited
US2367286A
Cited
US2427517A
Cited
US2493143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |