Patent US3938108A successfully refreshed from Google Patents.
Patent US1212541A successfully refreshed from Google Patents.
US1212541A
Expired / Lapsed
US
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Therapeutical appliance.
Assignee: ALLEN-CHAPMAN Co
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Filing: 1916-01-28
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Granted: 1917-01-16
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Expires: 1936-01-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0472; A61N1/0492
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) | 1920-01-16 | 1920-07-17 | 1921-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-16 | 1924-07-17 | 1925-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-16 | 1928-07-17 | 1929-01-16 | $7700.00 | Window Closed / Lapsed |