US1368982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Outlook Co
•
Filing: 1917-08-27
•
Granted: 1921-02-15
•
Expires: 1937-08-27
Abstract
No abstract record available.
Inventors
- 👤 Albert B Beitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:34
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/06; B60S1/14; B60S1/3488; B60S1/349; B60S1/3425; B60S1/3445; B60S1/3459
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) | 1924-02-15 | 1924-08-16 | 1925-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-15 | 1928-08-16 | 1929-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-15 | 1932-08-16 | 1933-02-15 | $7700.00 | Window Closed / Lapsed |