Patent US1510015A successfully refreshed from Google Patents.
US1510015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning mechanism
Assignee: Individual
•
Filing: 1921-11-25
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Granted: 1924-09-30
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Expires: 1941-11-25
Abstract
No abstract record available.
Inventors
- 👤 Charles L Rayfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:57
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; B60S1/06; B60S1/16; B60S1/166; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18464; Y10T74/1848
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) | 1927-09-30 | 1928-03-31 | 1928-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-30 | 1932-03-31 | 1932-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-30 | 1936-03-31 | 1936-09-30 | $7700.00 | Window Closed / Lapsed |