US2683939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric drying and exhaust unit
Assignee: MASTER APPLIANCE Manufacturing Co
•
Filing: 1952-05-12
•
Granted: 1954-07-20
•
Expires: 1972-05-12
Abstract
No abstract record available.
Inventors
- 👤 Rudolph L Meltzer
- 👤 Henry E Meltzer
- 👤 William D Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:05
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/04; B41F23/0403; B41F23/0423; B41F23/0426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2205391A
Cited
US2306607A
Cited
US2464119A
Cited
US2499572A
Cited
US2574844A
Cited
US2658798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |