Patent US2038535A successfully refreshed from Google Patents.
Patent US1655813A successfully refreshed from Google Patents.
US1655813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller remover
Assignee: Individual
•
Filing: 1926-11-15
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Granted: 1928-01-10
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Expires: 1946-11-15
Abstract
No abstract record available.
Inventors
- 👤 Helfgott Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:07
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/04; G04D3/0002; G04D3/0035; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53639; Y10T29/53643; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878
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) | 1931-01-09 | 1931-07-11 | 1932-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-09 | 1935-07-11 | 1936-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-09 | 1939-07-11 | 1940-01-10 | $7700.00 | Window Closed / Lapsed |