Patent US3012835A successfully refreshed from Google Patents.
US3012835A
Expired / Lapsed
US
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Instrument cabinet
Assignee: Amco Engineering Co
•
Filing: 1958-06-13
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Granted: 1961-12-12
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Edwin V Anderson
- 👤 Joseph A Mack
- 👤 Arthur N Friberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:48
CPC Classifications
A; A47; A47B; A47B81/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1546931A
Cited
US2039614A
Cited
US2424217A
Cited
US2418152A
Cited
US2557244A
Cited
US2902328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |