Patent US3418967A successfully refreshed from Google Patents.
US3418967A
Expired / Lapsed
US
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Flagpole assembly
Assignee: ELECTRONIC FLAG POLES Inc
•
Filing: 1967-01-23
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Granted: 1968-12-31
•
Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Donkersloot Arie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:30
CPC Classifications
G; G09; G09F; G09F17/00; G09F2017/0025; G09F2017/005; G09F2017/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2856476A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |