Patent US2839215A successfully refreshed from Google Patents.
US2839215A
Expired / Lapsed
US
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Filler cap assembly
Assignee: Chester Corp
•
Filing: 1955-07-08
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Granted: 1958-06-17
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Pew Chester C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B64; B64D; B64D37/00; B64D37/005; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US911256A
Cited
GB613523A
Cited
US2597576A
Cited
US2552053A
Cited
US2616584A
Cited
US2720999A
Cited
US2722337A
Cited
US2772809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |