US3047186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent knob
Assignee: Individual
•
Filing: 1957-12-06
•
Granted: 1962-07-31
•
Expires: 1977-12-06
Abstract
No abstract record available.
Inventors
- 👤 Anthony W Serio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:59
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/06; A47J45/063; A47J36/00; A47J36/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US646276A
Cited
US932774A
Cited
US1345975A
Cited
US1422935A
Cited
US1958429A
Cited
US2376855A
Cited
CH252472A
Cited
US2889089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |