US3452899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Follower advanced commodity dispenser
Assignee: ALBERT C LIBBERTON
•
Filing: 1967-10-24
•
Granted: 1969-07-01
•
Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Albert C Libberton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:34
CPC Classifications
A; A47; A47F; A47F1/00; A47F1/04; A47F1/12; A47F1/125; A47F1/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632231A
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US808067A
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US847863A
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US1964597A
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US2129122A
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US2499088A
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DE969003C
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US2893596A
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US2775365A
Cited
GB881700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |