US2565166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Theftproof cap structure for fill pipes
Assignee: BOLDUC Manufacturing CO Inc
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Filing: 1948-11-19
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Granted: 1951-08-21
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Russell E Bolduc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:32
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |