US2904304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic weighing machine
Assignee: Package Machinery Co
•
Filing: 1953-11-20
•
Granted: 1959-09-15
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 Walter R Zwoyer
- 👤 Gausman Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; B65B1/34; G; G01; G01G; G01G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1580669A
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US2071443A
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US2333435A
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US2352114A
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US2332600A
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US2443350A
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US2629032A
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US2626042A
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US2614786A
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US2726061A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |