Patent US2898646A successfully refreshed from Google Patents.
US2898646A
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Assignee: BETTY S SPICKELMIER
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Filing: 1955-07-25
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Granted: 1959-08-11
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Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Russell A Gillespie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:13
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2200548A
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US2588432A
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US2440026A
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US2663917A
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US2685110A
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US2667669A
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US2787034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |