US2556044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buff
Assignee: Sandman Eli Co
•
Filing: 1949-10-28
•
Granted: 1951-06-05
•
Expires: 1969-10-28
Abstract
No abstract record available.
Inventors
- 👤 Sandman Eli
- 👤 Ernest R Sykes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15226E
Cited
US1404620A
Cited
US2004623A
Cited
US2034576A
Cited
US2130849A
Cited
US2209089A
Cited
US2450793A
Cited
US2450792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |