Patent US2192529A successfully refreshed from Google Patents.
US1553076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-cleaner bag
Assignee: Individual
•
Filing: 1924-12-11
•
Granted: 1925-09-08
•
Expires: 1944-12-11
Abstract
No abstract record available.
Inventors
- 👤 Annie E Halsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; Y; Y10; Y10S; Y10S15/00; Y10S15/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-09-07 | 1929-03-09 | 1929-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-09-07 | 1933-03-09 | 1933-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-09-07 | 1937-03-09 | 1937-09-08 | $7700.00 | Window Closed / Lapsed |