US2544929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure means for therapeutic appliances
Assignee: Seamless Rubber Co
•
Filing: 1948-05-26
•
Granted: 1951-03-13
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Paul S Madsen
- 👤 George W Goodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:24
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/08; A61F7/086; Y; Y10; Y10S; Y10S383/00; Y10S383/901; Y10S383/907; Y10T; Y10T24/00; Y10T24/15; Y10T24/44; Y10T24/44291; Y10T24/4453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255922A
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US285908A
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US636436A
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US670878A
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US1277327A
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US1488864A
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US1671385A
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US2055695A
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US2225764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |