Patent US2455507A successfully refreshed from Google Patents.
US2455507A
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Assignee: Individual
•
Filing: 1945-02-21
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Granted: 1948-12-07
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Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:19
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/18; E04H6/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296856A
Cited
US643922A
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US1210444A
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US1565559A
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US1673864A
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US1918116A
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GB441280A
Cited
US2242891A
Cited
US2224529A
Cited
US2242892A
Cited
US2379446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |