Patent US2885600A successfully refreshed from Google Patents.
US2885600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cabinet
Assignee: Sheffield Corp
•
Filing: 1957-11-01
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Granted: 1959-05-05
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Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:52
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/30; H02B1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130250A
Cited
US2731609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |