Patent US3048356A successfully refreshed from Google Patents.
US3048356A
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US
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Bulkhead seal for movable control element
Assignee: Douglas Aircraft Co Inc
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Filing: 1960-08-11
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Granted: 1962-08-07
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Harold S Curtis
- 👤 Jimmie C Curtis
- 👤 John M Divola
- 👤 Leonard H Maletz
- 👤 Glen W Morris
- 👤 Richard P Schiltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; B; B64; B64C; B64C13/00; B64C13/02; Y; Y10; Y10S; Y10S277/00; Y10S277/906
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |