Patent US4367884A successfully refreshed from Google Patents.
Patent US3439728A successfully refreshed from Google Patents.
US3439728A
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Remote control system for opening and closing overhead-opening multipaneled doors
Assignee: ROBERT J MARTINI
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Filing: 1967-05-17
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Granted: 1969-04-22
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Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Martini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:33
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1207; E05D13/1215; E05D15/00; E05D15/16; E05D15/24; E05F; E05F5/00; E05F11/00; E05F11/02; E05F11/04; E05F11/54; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1486742A
Cited
US1520177A
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US2012336A
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US1946970A
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US2225785A
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US2577348A
Cited
US2846254A
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US2931643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |