US2535437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dip pipe for processing containers
Assignee: Pfaudler Inc
•
Filing: 1949-11-25
•
Granted: 1950-12-26
•
Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Sidney W Mccann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:49
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0053; B01J19/0073; B01J19/02; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0209; B01J2219/0213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1678540A
Cited
US1634183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |