Patent US2800571A successfully refreshed from Google Patents.
Patent US5008957A successfully refreshed from Google Patents.
Patent US2838716A successfully refreshed from Google Patents.
Patent US4935143A successfully refreshed from Google Patents.
Patent US1404712A successfully refreshed from Google Patents.
US1404712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic machine
Assignee: Allis Chalmers Corp
•
Filing: 1921-01-21
•
Granted: 1922-01-24
•
Expires: 1941-01-21
Abstract
No abstract record available.
Inventors
- 👤 Homer P Binder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2222; F04D29/2227; F04D29/60; F04D29/605; F05; F05D; F05D2300/00; F05D2300/40; F05D2300/43
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1925-01-23 | 1925-07-25 | 1926-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-23 | 1929-07-25 | 1930-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-23 | 1933-07-25 | 1934-01-24 | $7700.00 | Window Closed / Lapsed |