US1467005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating, heating, cooling, and shade apparatus for rooms
Assignee: Individual
•
Filing: 1921-09-22
•
Granted: 1923-09-04
•
Expires: 1941-09-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/10; F; F24; F24F; F24F7/00; F24F7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-09-03 | 1927-03-05 | 1927-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-03 | 1931-03-05 | 1931-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-03 | 1935-03-05 | 1935-09-04 | $7700.00 | Window Closed / Lapsed |