Patent US1518129A successfully refreshed from Google Patents.
US1518129A
Expired / Lapsed
US
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Apparatus for treating rubber and other heavy plastic material
Assignee: BIRMINGHAM IRON FOUNDRY
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Filing: 1922-02-16
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Granted: 1924-12-09
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Expires: 1942-02-16
Abstract
No abstract record available.
Inventors
- 👤 Fernley H Banbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:33
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/18; B29B7/183; B29B7/22; B29B7/24; B29B7/246; B29B7/248; B29B7/74; B29B7/7461; B29B7/7476; B29B7/7495
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) | 1927-12-09 | 1928-06-09 | 1928-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-09 | 1932-06-09 | 1932-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-09 | 1936-06-09 | 1936-12-09 | $7700.00 | Window Closed / Lapsed |