US2710237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightweight piston construction
Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1950-07-15
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Granted: 1955-06-07
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Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 Ira D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:15
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1264871A
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US1741643A
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US1756205A
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US1869041A
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US2221121A
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US2346658A
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US2387181A
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US2429426A
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US2410405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |