US2651832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for finishing pistons
Assignee: Heald Machine Co
•
Filing: 1951-01-16
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Granted: 1953-09-15
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Expires: 1971-01-16
Abstract
No abstract record available.
Inventors
- 👤 Clifford G Menard
- 👤 John J Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q27/003; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/18; B23B31/24; B23B31/26; B23Q39/00; B23Q39/04; B23Q39/042; B23Q39/046; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129; Y10T82/00; Y10T82/13; Y10T82/15; Y10T82/152; Y10T82/154; Y10T82/156
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434876A
Cited
US1453732A
Cited
US1905094A
Cited
US2121934A
Cited
US2215369A
Cited
US2298077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |