US3522736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopic instrument
Assignee: Tokyo Keiki Inc
•
Filing: 1968-05-06
•
Granted: 1970-08-04
•
Expires: 1988-05-06
Abstract
No abstract record available.
Inventors
- 👤 Takeshi Hojo
- 👤 Shin-Ichi Kawada
- 👤 Michio Fukano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:33
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1204; Y10T74/1261; Y10T74/1275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2650502A
Cited
US2740299A
Cited
US2809526A
Cited
US2785573A
Cited
US3044309A
Cited
US3273340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |