Patent US3571774A successfully refreshed from Google Patents.
Patent US2577104A successfully refreshed from Google Patents.
US2577104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drier safety control
Assignee: General Electric Co
•
Filing: 1950-05-16
•
Granted: 1951-12-04
•
Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Frank L Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/32; D06F58/34; D06F58/50; D06F2101/00; D06F2101/14; D06F2103/00; D06F2103/28; D06F2103/30; D06F2103/42; D06F2105/00; D06F2105/28; D06F2105/34; Y; Y10; Y10S; Y10S55/00; Y10S55/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1675160A
Cited
US1713442A
Cited
US1796198A
Cited
US1984054A
Cited
US2314748A
Cited
US2360915A
Cited
US2397091A
Cited
US2505041A
Cited
US2486315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |