US2584705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device for pumps
Assignee: Ingersoll Rand Co
•
Filing: 1946-11-06
•
Granted: 1952-02-05
•
Expires: 1966-11-06
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0653; F04D13/0606; F04D13/062; F04D29/00; F04D29/08; F04D29/086; F04D29/10; F04D29/12; F04D29/126; Y; Y10; Y10S; Y10S277/00; Y10S277/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US879484A
Cited
US1086063A
Cited
US1859039A
Cited
US2107260A
Cited
US2397012A
Cited
US2397171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |