US2548041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window appliance
Assignee: Individual
•
Filing: 1949-03-10
•
Granted: 1951-04-10
•
Expires: 1969-03-10
Abstract
No abstract record available.
Inventors
- 👤 Albert H Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:25
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/40; E06B9/42; E06B9/50; E06B9/56; E06B9/58; E06B2009/2423; E06B2009/2447; E06B2009/2452; Y; Y10; Y10S; Y10S160/00; Y10S160/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297667A
Cited
US802838A
Cited
US976534A
Cited
US1713989A
Cited
US1873156A
Cited
US2098105A
Cited
US2247306A
Cited
US2354489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |