US2664740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel wall joint
Assignee: Individual
•
Filing: 1951-05-07
•
Granted: 1954-01-05
•
Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Cochrane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:22
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US183160A
Cited
US835945A
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US1813909A
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US1895657A
Cited
US1998448A
Cited
US1945124A
Cited
US2302047A
Cited
US2414628A
Cited
GB606778A
Cited
US2441890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |