US1594217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowing device
Assignee: Ingersoll Rand Co
•
Filing: 1925-11-03
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Granted: 1926-07-27
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Expires: 1945-11-03
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:41
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-07-26 | 1930-01-25 | 1930-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-26 | 1934-01-25 | 1934-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-26 | 1938-01-25 | 1938-07-27 | $7700.00 | Window Closed / Lapsed |