Patent US3394516A successfully refreshed from Google Patents.
US3394516A
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Assignee: ARMCO ATLANTIC Inc A CORP OF DE
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Filing: 1965-07-06
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Granted: 1968-07-30
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Donald M Taylor
- 👤 Paul S Buker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:42
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/3601; E04D3/3602; E04D3/3603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043199A
Cited
US1376751A
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US1562784A
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US2256961A
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US2582144A
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US2696281A
Cited
US3031044A
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US3209503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |