Patent US3229436A successfully refreshed from Google Patents.
US3229436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal siding panel
Assignee: Integral Engineering and Manufacturing Corp
•
Filing: 1962-07-05
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Granted: 1966-01-18
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Roland T Gerhart
- 👤 Hans O Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:55
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1432999A
Cited
US1510533A
Cited
US1510614A
Cited
US2749603A
Cited
US2991592A
Cited
US3037271A
Cited
US3159943A
Cited
US3120082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |