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Patent US3427769A successfully refreshed from Google Patents.
US3427769A
Expired / Lapsed
US
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Erecting mechanism
Assignee: Lundy Electronics and Systems Inc
•
Filing: 1966-07-26
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Granted: 1969-02-18
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph Star
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:42
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/18; E04H12/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2213310A
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US2397151A
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US2388625A
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US2379577A
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US2524748A
Cited
US2874812A
Cited
US2913073A
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FR1325120A
Cited
US3312020A
Cited
US3295699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |