Patent US2864132A successfully refreshed from Google Patents.
US2864132A
Expired / Lapsed
US
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Panel construction
Assignee: Individual
•
Filing: 1953-04-16
•
Granted: 1958-12-16
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Clements Macmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:07
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683966A
Cited
US1666258A
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US2018712A
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US2216206A
Cited
US2271355A
Cited
US2426802A
Cited
US2585557A
Cited
US2585961A
Cited
US2557412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |