US3477190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated coping assemblies
Assignee: Alcoa Corp
•
Filing: 1967-02-09
•
Granted: 1969-11-11
•
Expires: 1987-02-09
Abstract
No abstract record available.
Inventors
- 👤 Charles L Wood Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:04
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/141; E04H4/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2875467A
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US3192538A
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US3270474A
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US3302350A
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US3331171A
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US3335429A
Cited
US3310814A
Cited
US3298039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |