US2702605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace control apparatus
Assignee: Siemens Industry Inc
•
Filing: 1950-12-07
•
Granted: 1955-02-22
•
Expires: 1970-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Strickland Kneass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:15
CPC Classifications
C; C10; C10B; C10B21/00; C10B21/10; C10B21/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR29476E
Cited
US952970A
Cited
US1012301A
Cited
US1183397A
Cited
US1204906A
Cited
US1221505A
Cited
US1202953A
Cited
FR587510A
Cited
US2382253A
Cited
US2537558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |