Patent US1780977A successfully refreshed from Google Patents.
Patent US2647490A successfully refreshed from Google Patents.
US2647490A
Expired / Lapsed
US
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Combined comb and powder applicator
Assignee: PLASTICHEM Corp
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Filing: 1950-07-25
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Granted: 1953-08-04
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Expires: 1970-07-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel K Twiet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:54
CPC Classifications
A; A01; A01K; A01K13/00; A01K13/003; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US718054A
Cited
US1186697A
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US1113843A
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US1252499A
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US1858613A
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US1891471A
Cited
GB441861A
Cited
US2532001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |