Patent US1576767A successfully refreshed from Google Patents.
US1576767A
Expired / Lapsed
US
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Protection of pipes by use of latex
Assignee: HEVEA Corp
•
Filing: 1923-04-21
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Granted: 1926-03-16
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Expires: 1943-04-21
Abstract
No abstract record available.
Inventors
- 👤 Chauncey C Loomis
- 👤 Horace E Stump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:24
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22; B05D7/222; B05D2202/00; B05D2401/00; B05D2401/20; B05D2530/00
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) | 1929-03-15 | 1929-09-14 | 1930-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-15 | 1933-09-14 | 1934-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-15 | 1937-09-14 | 1938-03-16 | $7700.00 | Window Closed / Lapsed |