Patent US2997267A successfully refreshed from Google Patents.
US2997267A
Expired / Lapsed
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Bracket hanger assembly for supporting multiple unit storage files
Assignee: PACK Manufacturing CO
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Filing: 1959-03-05
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Granted: 1961-08-22
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Expires: 1979-03-05
Abstract
No abstract record available.
Inventors
- 👤 Robert S Shelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:45
CPC Classifications
A; A47; A47B; A47B17/00; A47B63/00; A47B63/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253847A
Cited
US1842575A
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US1947165A
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US2111357A
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US2274165A
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US2406587A
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US2521765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |