US2725918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Ingersoll Rand Co
•
Filing: 1955-01-11
•
Granted: 1955-12-06
•
Expires: 1975-01-11
Abstract
No abstract record available.
Inventors
- 👤 Walter B Deshler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/16; Y; Y10; Y10T; Y10T408/00; Y10T408/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA471161A
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US2389098A
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US2499708A
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US2539123A
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US2535782A
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US2552840A
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US2690205A
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US2698517A
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US2715889A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |