US2761735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burners
Assignee: WAYNE HOME EQUIPMENT CO Inc
•
Filing: 1952-01-16
•
Granted: 1956-09-04
•
Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 Norbert G Berghoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:33
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US669193A
Cited
US699281A
Cited
US2120611A
Cited
US2009932A
Cited
US2254123A
Cited
US2539315A
Cited
US2527093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |