Patent US4409355A successfully refreshed from Google Patents.
Patent US3512425A successfully refreshed from Google Patents.
US3512425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibacklash drive system
Assignee: Mitsubishi Electric Corp
•
Filing: 1968-09-04
•
Granted: 1970-05-19
•
Expires: 1988-09-04
Abstract
No abstract record available.
Inventors
- 👤 Yoshiaki Endo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:10
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1445; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/23; G05B19/231; G05B19/232; G05B19/237; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41034; G05B2219/41264; G05B2219/42; G05B2219/42074; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19056; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19535; Y10T74/19623
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |