US3476277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum bottles having improved bottom closures
Assignee: ROBERT M ROWND
•
Filing: 1967-12-26
•
Granted: 1969-11-04
•
Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 Robert M Rownd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2818204A
Cited
US3120570A
Cited
US3144167A
Cited
US3258147A
Cited
US3311249A
Cited
US3331522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |