US3034424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw press worm design
Assignee: International Basic Economy Corp
•
Filing: 1958-09-05
•
Granted: 1962-05-15
•
Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Carl W Zies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:21
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE115786C
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US233535A
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US736484A
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DE560184C
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GB568094A
Cited
US2556499A
Cited
US2664814A
Cited
US2709957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |