US2689967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable broom head and handle
Assignee: Individual
•
Filing: 1952-02-19
•
Granted: 1954-09-28
•
Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence M Mackey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:47
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/06; A46B11/063; B; B25; B25G; B25G3/00; B25G3/38; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32336
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US612491A
Cited
US1651251A
Cited
US1797614A
Cited
US1989921A
Cited
US2002320A
Cited
US2032664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |