US1683538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-service brush
Assignee: JOHN HARRY HAAS SR
•
Filing: 1927-12-06
•
Granted: 1928-09-04
•
Expires: 1947-12-06
Abstract
No abstract record available.
Inventors
- 👤 Sr Clifford J Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:30
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B3/10; A46D; A46D1/00
Claims Analysis
Total Claims: 0
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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) | 1931-09-04 | 1932-03-05 | 1932-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-04 | 1936-03-05 | 1936-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-04 | 1940-03-05 | 1940-09-04 | $7700.00 | Window Closed / Lapsed |