US3067692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump
Assignee: Ingersoll Rand Co
•
Filing: 1959-08-19
•
Granted: 1962-12-11
•
Expires: 1979-08-19
Abstract
No abstract record available.
Inventors
- 👤 Brkich Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:20
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1253; F04B43/0009; F04B43/0054; F04B43/0072
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2483924A
Cited
US2695117A
Cited
US2694984A
Cited
GB713239A
Cited
US2804023A
Cited
US2928353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |