US2579382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer
Assignee: Ingersoll Rand Co
•
Filing: 1948-12-04
•
Granted: 1951-12-18
•
Expires: 1968-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert F Gattiker
- 👤 Alfred D Karr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:37
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/602; Y10T403/604
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1881728A
Cited
US2255695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |