US3363543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbecue grill apparatus
Assignee: ROBERTS
•
Filing: 1966-01-07
•
Granted: 1968-01-16
•
Expires: 1986-01-07
Abstract
No abstract record available.
Inventors
- 👤 Tom J Roberts
- 👤 Donald L Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:51
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/041; A47J37/06; A47J37/07; A47J37/0718
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501867A
Cited
US1605143A
Cited
US2600234A
Cited
US2573988A
Cited
US3045581A
Cited
CH359523A
Cited
US3121424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |