US3478477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal building
Assignee: Individual
•
Filing: 1967-07-06
•
Granted: 1969-11-18
•
Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph Roy Poyton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:18
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2433; E04B2001/2454; E04B2001/2481; E04B2001/2484; E04B2001/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA501606A
Cited
GB151352A
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US1974767A
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US2058386A
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US2007354A
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US2098752A
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US2109655A
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GB538373A
Cited
US2616529A
Cited
US2877990A
Cited
GB787565A
Cited
US3055460A
Cited
US3280530A
Cited
US3345787A
Cited
US3380214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |