Patent US3458051A successfully refreshed from Google Patents.
US3458051A
Expired / Lapsed
US
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Hanger bar construction
Assignee: Zeman Mfg Co
•
Filing: 1967-03-15
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Granted: 1969-07-29
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Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 James R Zeman
- 👤 William E Zeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:45
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/18; B65D85/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US627077A
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US2616133A
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US2788888A
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US2807354A
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US2796977A
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US2993602A
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US3118542A
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US3112027A
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US3162314A
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US3306465A
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US3298503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |