US2650814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kiln
Assignee: Ernest Newell & Co Ltd
•
Filing: 1950-11-01
•
Granted: 1953-09-01
•
Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Howden Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:03
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US400229A
Cited
US1199856A
Cited
US1588217A
Cited
US1569923A
Cited
US1871166A
Cited
US1895284A
Cited
AT139665B
Cited
US2185559A
Cited
US2523835A
Cited
US2552063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |