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US2973131A
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US
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Bag for sampling milk and the like
Assignee: NAT AGRICULTURAL SUPPLY COMPAN
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Filing: 1958-05-26
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Granted: 1961-02-28
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Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Harry A Mead
- 👤 Slagel Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
B; B65; B65D; B65D31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA496974A
Cited
US678176A
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US686899A
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US2108741A
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US2541674A
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US2635788A
Cited
FR1100511A
Cited
US2873905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |