US2214191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure nodule apparatus
Assignee: FRANGEO Co
•
Filing: 1938-08-01
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Granted: 1940-09-10
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Expires: 1958-08-01
Abstract
No abstract record available.
Inventors
- 👤 George W Batchell
- 👤 Wilbur S Mayers
- 👤 Franz G Schwalbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:53
CPC Classifications
C; C03; C03B; C03B1/00; C03B1/02; B; B30; B30B; B30B11/00; B30B11/02; B30B11/14; C03C; C03C1/00; C03C1/02; C03C1/026
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) | 1943-09-10 | 1944-03-11 | 1944-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-10 | 1948-03-11 | 1948-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-10 | 1952-03-11 | 1952-09-10 | $7700.00 | Window Closed / Lapsed |