Patent US1283947A successfully refreshed from Google Patents.
US1283947A
Expired / Lapsed
US
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Treatment of materials.
Assignee: RUBBER REGENERATING CO
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Filing: 1915-04-24
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Granted: 1918-11-05
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Expires: 1935-04-24
Abstract
No abstract record available.
Inventors
- 👤 William J Steinle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/428; B29B7/429; B29B7/74; B29B7/7476; B29B7/7495; B29B7/80; B29B7/82; B29B7/826; B29B7/84; B29B7/842; B29B7/845; B29B7/86
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) | 1921-11-04 | 1922-05-06 | 1922-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-04 | 1926-05-06 | 1926-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-04 | 1930-05-06 | 1930-11-05 | $7700.00 | Window Closed / Lapsed |