US2836267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight structural body and process of fabricating the same
Assignee: Boeing Co
•
Filing: 1955-07-26
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Granted: 1958-05-27
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Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard S Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:15
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C3/00; B64C2001/0054; B64C2001/0081; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207389A
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US1875188A
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US2125882A
Cited
GB577705A
Cited
US2576073A
Cited
US2575758A
Cited
GB723621A
Cited
GB718035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |