Patent US2196172A successfully refreshed from Google Patents.
US2196172A
Expired / Lapsed
US
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Protective coating of metal pipe and the like
Assignee: Florence Pipe Foundry & Machin
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Filing: 1938-12-22
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Granted: 1940-04-09
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Expires: 1958-12-22
Abstract
No abstract record available.
Inventors
- 👤 Howard J Billings
- 👤 Harry A Buron
- 👤 Petty John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:37
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; B; B05; B05D; B05D7/00; B05D7/14; B05D7/146; B05D7/22; B05D7/222; F16L58/04; F16L58/12; B05D1/00; B05D1/002
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) | 1943-04-09 | 1943-10-09 | 1944-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-09 | 1947-10-09 | 1948-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-09 | 1951-10-09 | 1952-04-09 | $7700.00 | Window Closed / Lapsed |