Patent US3036347A successfully refreshed from Google Patents.
US3036347A
Expired / Lapsed
US
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Joist hanger
Assignee: Easybow Engineering & Res Co
•
Filing: 1957-05-31
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Granted: 1962-05-29
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Findleton Ronald James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:07
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; E04B1/2612; E04B5/00; E04B5/02; E04B5/14; Y; Y10; Y10T; Y10T403/00; Y10T403/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US679349A
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US828488A
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US818689A
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US874514A
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US1803723A
Cited
US1720104A
Cited
GB405840A
Cited
US2500636A
Cited
AT181950B
Cited
US2666238A
Cited
US2717801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |