US1552902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Downspout-cleaning device
Assignee: Individual
•
Filing: 1922-12-30
•
Granted: 1925-09-08
•
Expires: 1942-12-30
Abstract
No abstract record available.
Inventors
- 👤 Werner Alexander Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:45
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; E; E04; E04D; E04D13/00; E04D13/04; E04D13/08; F; F16; F16L; F16L55/00; F16L55/24; E04D2013/086; E04D2013/0866
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) | 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 |