Patent US3480247A successfully refreshed from Google Patents.
US3480247A
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US
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Self-locking adjustable stanchion
Assignee: Boeing North American Inc
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Filing: 1967-10-30
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Granted: 1969-11-25
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Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Donald W Waner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:19
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/30; E04; E04G; E04G25/00; E04G25/04; E04G25/08; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301; Y10T292/45; Y10T292/47; Y10T292/65; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |