US3447449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compacting machine
Assignee: MARCUS S KOSTOLICH
•
Filing: 1967-12-07
•
Granted: 1969-06-03
•
Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Marcus S Kostolich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:11
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3092; B30B9/3089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380185A
Cited
US665973A
Cited
US856803A
Cited
US1550045A
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US1523364A
Cited
US2587997A
Cited
US2705916A
Cited
US3004290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |