Patent FR597460A successfully refreshed from Google Patents.
US3026977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel assembly
Assignee: EF Hauserman Co
•
Filing: 1958-03-13
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Granted: 1962-03-27
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Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Gordon J Pollock
- 👤 Gilbert L Fowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094278A
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US1231289A
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US1716624A
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US1726595A
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US2128797A
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US2435286A
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US2673775A
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US2914147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |