Patent US3365221A successfully refreshed from Google Patents.
US3365221A
Expired / Lapsed
US
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Metal sheathed non-skid flooring assemblage
Assignee: Gang Nail Systems Inc
•
Filing: 1964-12-03
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Granted: 1968-01-23
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 John C Jureit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/06; Y; Y10; Y10S; Y10S411/00; Y10S411/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH31120A
Cited
US999828A
Cited
US1496961A
Cited
US2089550A
Cited
GB460054A
Cited
US2726419A
Cited
US2885749A
Cited
US3016586A
Cited
US3011226A
Cited
US3234841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |