US3219027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air compressing and heating apparatus
Assignee: Individual
•
Filing: 1962-11-19
•
Granted: 1965-11-23
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Roche Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:05
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/1606; B05B7/1613; B05B7/162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1682102A
Cited
FR957200A
Cited
US1598289A
Cited
US2613995A
Cited
US2460861A
Cited
US2683448A
Cited
US3075514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |