US1425949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard for valve handles
Assignee: Ingersoll Rand Co
•
Filing: 1921-11-29
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Granted: 1922-08-15
•
Expires: 1941-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ditson Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:44
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/33; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093
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) | 1925-08-14 | 1926-02-13 | 1926-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-08-14 | 1930-02-13 | 1930-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-08-14 | 1934-02-13 | 1934-08-15 | $7700.00 | Window Closed / Lapsed |