Patent US3029974A successfully refreshed from Google Patents.
US3029974A
Expired / Lapsed
US
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Vessel linings
Assignee: Dominion Bridge Co Ltd
•
Filing: 1960-04-14
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Granted: 1962-04-17
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Expires: 1980-04-14
Abstract
No abstract record available.
Inventors
- 👤 Cape Richard Allan Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:36
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/02; B65; B65D; B65D90/00; B65D90/02; B65D90/04; B65D90/041; B65D90/042; B65D90/043; B01J2219/00; B01J2219/02; B01J2219/0204; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1992470A
Cited
US2158799A
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US2198331A
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US2223318A
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US2772860A
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US2916182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |