Patent US3418836A successfully refreshed from Google Patents.
US3418836A
Expired / Lapsed
US
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Forming metals using liquid dies
Assignee: Individual
•
Filing: 1966-05-05
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Granted: 1968-12-31
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Expires: 1986-05-05
Abstract
No abstract record available.
Inventors
- 👤 John H Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:55
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/021; B21D26/031; B21D37/00; B21D37/16; Y; Y10; Y10S; Y10S72/00; Y10S72/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284526A
Cited
US633114A
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US672081A
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US2158044A
Cited
US2111695A
Cited
US2557403A
Cited
US3209439A
Cited
US3213658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |