US2980064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control units for hydraulic rams
Assignee: Norton Tool Co Ltd
•
Filing: 1959-09-25
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Granted: 1961-04-18
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Norton Henry
- 👤 Norton Hubert Veare
- 👤 Norton Leslie Buckingham
- 👤 Norton Douglas Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:20
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B30; B30B; B30B15/00; B30B15/16; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20576; F15B2211/20592; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/40; F15B2211/405; F15B2211/40507; F15B2211/40515; F15B2211/415; F15B2211/41563; F15B2211/41581; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/426; F15B2211/45; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/55; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/75; F15B2211/755; F15B2211/76; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2665554A
Cited
US2770222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |