US3468007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral push rod and method of making same
Assignee: Individual
•
Filing: 1967-09-19
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Granted: 1969-09-23
•
Expires: 1987-09-19
Abstract
No abstract record available.
Inventors
- 👤 Masanobu Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:15
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/005; B21; B21D; B21D39/00; F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F01L1/146; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49295; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T74/00; Y10T74/21; Y10T74/2142
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |