US2868104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination ridge capping and ventilator for use on structures with pitched roofs
Assignee: Individual
•
Filing: 1956-11-27
•
Granted: 1959-01-13
•
Expires: 1976-11-27
Abstract
No abstract record available.
Inventors
- 👤 Knud A Honholt
- 👤 James T Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:33
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/02; E; E04; E04D; E04D13/00; E04D13/17; E04D13/174
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |