US3533104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head-up display system
Assignee: International Business Machines Corp
•
Filing: 1968-05-17
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Granted: 1970-10-06
•
Expires: 1988-05-17
Abstract
No abstract record available.
Inventors
- 👤 Millard A Habegger
- 👤 Thomas J Harris
- 👤 Glenn T Sincerbox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/01; G02B27/0149; G01; G01S; G01S1/00; G01S1/02; G02B27/0101; G02B27/0103; G02B2027/0109; G02B2027/0138; G02B2027/014; G02B2027/0145; G02B2027/0154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027530A
Cited
US2959779A
Cited
GB846627A
Cited
US3212082A
Cited
US3284799A
Cited
US3383679A
Cited
US3435452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |