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US3385127A
Expired / Lapsed
US
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Gears formed of sheet metal and liquids
Assignee: Shin Mitsubishi Heavy Industries Ltd
•
Filing: 1966-08-26
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Granted: 1968-05-28
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Naruse Masao
- 👤 Kumasawa Takehiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:33
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D53/00; B21D53/26; B21D53/28; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19907; Y10T74/19921; Y10T74/19935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US820789A
Cited
US1185953A
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US1375688A
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US1638118A
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US1819266A
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US3069918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |