Patent US3463629A successfully refreshed from Google Patents.
US3463629A
Expired / Lapsed
US
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Manufacturing steel and alloys of iron
Assignee: Individual
•
Filing: 1966-08-15
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Granted: 1969-08-26
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Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald Gordon Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:30
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/52; C21C5/5211; C21C5/5264; C21C5/527; C21C7/00; F; F27; F27B; F27B3/00; F27B3/06; F27B3/065; F27B3/10; F27B3/18; F27B3/183; F27B3/19; F27D; F27D3/00; F27D3/0033; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S65/00; Y10S65/04
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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |