US3428326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel mounting construction
Assignee: WAYNE-DALTON CORP AN OH CORP
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Filing: 1967-07-11
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Granted: 1969-02-18
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Expires: 1987-07-11
Abstract
No abstract record available.
Inventors
- 👤 Victor Clapsaddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E06B3/54; E06B3/5454; E06B3/70; E06B2003/7044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3310923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |