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Patent US2982353A successfully refreshed from Google Patents.
US2982353A
Expired / Lapsed
US
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Gate structure for temporary closure for passageways
Assignee: Individual
•
Filing: 1959-07-08
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Granted: 1961-05-02
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Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Luger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:52
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B2009/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1212753A
Cited
US1277106A
Cited
US1438202A
Cited
US1487278A
Cited
US1786265A
Cited
US2490612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |