US3040967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve bags
Assignee: Individual
•
Filing: 1958-09-22
•
Granted: 1962-06-26
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Klein Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/85; B65D; B65D31/00; B65D31/14; B65D31/142; B31B2150/00; B31B2150/001; B31B2160/00; B31B2160/20; B31B70/844; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19803E
Cited
US2098258A
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US2476325A
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US2437693A
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US2778175A
Cited
US2729377A
Cited
US2845214A
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US2855136A
Cited
US2884182A
Cited
US2825497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |