US3545269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display apparatus
Assignee: Boeing Co
•
Filing: 1968-10-14
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Granted: 1970-12-08
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Expires: 1988-10-14
Abstract
No abstract record available.
Inventors
- 👤 Archie T Sherbert Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
G; G01; G01C; G01C23/00; G01D; G01D13/00; G01D13/02; G01D13/04; G01D13/06; G01D7/00; G01D7/02; G01D7/04; G01P; G01P1/00; G01P1/07; G01P1/08; G07; G07C; G07C3/00; G07C3/005
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |