US3481094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel structure with interlocking ribs
Assignee: ARMCO ATLANTIC Inc A CORP OF DE
•
Filing: 1967-03-20
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Granted: 1969-12-02
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Donald M Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12; E04D; E04D3/00; E04D3/36; E04D3/366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US841276A
Cited
US2019379A
Cited
US2099752A
Cited
US2259382A
Cited
US3157965A
Cited
US3324617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |