US2827766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydro-pneumatic press apparatus
Assignee: LIONEL E WEISS
•
Filing: 1954-12-09
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Granted: 1958-03-25
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Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Hufford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/165; F; F15; F15B; F15B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1822690A
Cited
US1765627A
Cited
GB440305A
Cited
US2351872A
Cited
US2597050A
Cited
US2403912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |