US3497156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor and beam assembly
Assignee: Individual
•
Filing: 1968-02-16
•
Granted: 1970-02-24
•
Expires: 1988-02-16
Abstract
No abstract record available.
Inventors
- 👤 John Cocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:30
CPC Classifications
D; D02; D02H; D02H13/00; D02H13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1869408A
Cited
US1856298A
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US1857599A
Cited
FR690784A
Cited
US2344132A
Cited
US2453247A
Cited
US2651478A
Cited
GB730542A
Cited
US2957642A
Cited
US3099417A
Cited
GB1022513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |