US2718689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Routing
Assignee: Individual
•
Filing: 1950-09-28
•
Granted: 1955-09-27
•
Expires: 1970-09-28
Abstract
No abstract record available.
Inventors
- 👤 Roger S Mason
- 👤 Richard H Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/26; Y; Y10; Y10T; Y10T407/00; Y10T407/14; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1924; Y10T407/1946; Y10T407/1948; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE485912C
Cited
US173122A
Cited
US99716A
Cited
US1025839A
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US1118744A
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US1129925A
Cited
US1187618A
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US1555853A
Cited
US1476019A
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GB256153A
Cited
US1715097A
Cited
US1781863A
Cited
US1907880A
Cited
US2209867A
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US2289065A
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US2314533A
Cited
US2302869A
Cited
US2362364A
Cited
US2554783A
Cited
US2539863A
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US2529157A
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DE814662C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |