Patent US3045557A successfully refreshed from Google Patents.
US3045557A
Expired / Lapsed
US
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Method of cutting cooperating worms and worm wheels
Assignee: Individual
•
Filing: 1958-12-01
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Granted: 1962-07-24
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Yamamoto Akira
- 👤 Toyama Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:24
CPC Classifications
B; B23; B23F; B23F11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49469; Y10T409/00; Y10T409/10; Y10T409/100159; Y10T409/101431; Y10T409/10159; Y10T409/101749; Y10T409/107473; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |