Patent US4854890A successfully refreshed from Google Patents.
Patent US2806250A successfully refreshed from Google Patents.
US2806250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing continuous strands of wax
Assignee: SURE SEAL CORP
•
Filing: 1953-11-27
•
Granted: 1957-09-17
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:56
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/02; B29C33/04; B29C33/044; B29B; B29B9/00; B29B9/02; B29B9/04; B29C41/00; B29C41/24; B29C41/26; B29C67/00; B29C67/24; B29C67/241
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2068181A
Cited
US2327943A
Cited
US2314062A
Cited
US2478885A
Cited
US2499359A
Cited
US2556247A
Cited
US2697249A
Cited
US2654125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |