US2811178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filling and emptying collapsible containers
Assignee: Uniroyal Inc
•
Filing: 1955-06-28
•
Granted: 1957-10-29
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Marion M Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:44
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B1/00; B65B1/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE521333C
Cited
US870215A
Cited
US862231A
Cited
US1037824A
Cited
US1437876A
Cited
US1782733A
Cited
US2258548A
Cited
US2596807A
Cited
US2720375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |