Patent US2663995A successfully refreshed from Google Patents.
US2663995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fluid motor transmission system
Assignee: Landis Tool Co
•
Filing: 1948-03-30
•
Granted: 1953-12-29
•
Expires: 1968-03-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Price
- 👤 Harold E Balsiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/05; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3056; F15B2211/3059; F15B2211/40; F15B2211/405; F15B2211/40576; F15B2211/415; F15B2211/41509; F15B2211/41527; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/50554; F15B2211/515; F15B2211/5151; F15B2211/5157; F15B2211/52; F15B2211/528; F15B2211/70; F15B2211/71; F15B2211/7135
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US446799A
Cited
US678338A
Cited
US890793A
Cited
US1845232A
Cited
US2102865A
Cited
US2238061A
Cited
US2234009A
Cited
US2255783A
Cited
US2284228A
Cited
US2456431A
Cited
US2354634A
Cited
US2352140A
Cited
US2570351A
Cited
US2453785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |