US2969647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing system
Assignee: RACINE HYDRAULICS AND MACHINERY Inc
•
Filing: 1958-07-16
•
Granted: 1961-01-31
•
Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:14
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B11/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB131348A
Cited
US1961350A
Cited
US1999834A
Cited
US2060433A
Cited
US2584872A
Cited
US2521053A
Cited
US2742763A
Cited
US2729943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |