Patent US2991788A successfully refreshed from Google Patents.
US2991788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipettes-tobacco packets
Assignee: Individual
•
Filing: 1959-03-23
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Granted: 1961-07-11
•
Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Alvin O Brost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:16
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380590A
Cited
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GB189726428A
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US782219A
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US1072914A
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US1165000A
Cited
GB175513A
Cited
US2162077A
Cited
US2258933A
Cited
US2495882A
Cited
GB623265A
Cited
US2804874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |