US2449102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner bag
Assignee: Individual
•
Filing: 1945-09-29
•
Granted: 1948-09-14
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 Beager Arthur
- 👤 Elizabeth W Beager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:58
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/149; Y; Y10; Y10T; Y10T24/00; Y10T24/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US983986A
Cited
US1944270A
Cited
US2171754A
Cited
US2216249A
Cited
US2222077A
Cited
US2259855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |