Patent FR747235A successfully refreshed from Google Patents.
Patent US2575870A successfully refreshed from Google Patents.
US2575870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for connecting collapsible tubes to a pump device for discharging the contents thereof
Assignee: NRG Manufacturing Ltd
•
Filing: 1948-07-09
•
Granted: 1951-11-20
•
Expires: 1968-07-09
Abstract
No abstract record available.
Inventors
- 👤 Gates George Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:00
CPC Classifications
B; B41; B41L; B41L27/00; B41L27/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US694422A
Cited
US1566836A
Cited
US1542335A
Cited
US1581412A
Cited
US1853028A
Cited
US1941132A
Cited
US2003562A
Cited
US2258066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |