Patent US2885689A successfully refreshed from Google Patents.
US2885689A
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US
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Combination drain and support for freestanding and throughstanding stanchions
Assignee: Acorn Engineering Co
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Filing: 1957-10-21
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Granted: 1959-05-12
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Earl L Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:08
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |