US2647554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated vulcanizing press
Assignee: Victor Balata and Textile Belting Co
•
Filing: 1950-09-01
•
Granted: 1953-08-04
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Grieshammer Herman Hugo Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/049; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1242365A
Cited
US2009487A
Cited
US2171511A
Cited
US2160805A
Cited
US2444339A
Cited
US2508301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |