US2728327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single rotation fluid pressure motor
Assignee: PIPE MACHINERY CO
•
Filing: 1951-10-17
•
Granted: 1955-12-27
•
Expires: 1971-10-17
Abstract
No abstract record available.
Inventors
- 👤 William L Benninghoff
- 👤 Thompson Nora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/003; B21; B21D; B21D43/00; B21D43/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |