US3497057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package
Assignee: ROYAL CHINA Inc
•
Filing: 1968-03-07
•
Granted: 1970-02-24
•
Expires: 1988-03-07
Abstract
No abstract record available.
Inventors
- 👤 George L Traner
- 👤 Theodore Nicolay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:47
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/50; B65D5/5028; B65D5/5035; B65D5/5059; B65D5/46; B65D5/46008; B65D5/46056; B65D5/52; B65D5/528; B65D77/00; B65D77/003; B65D85/00; B65D85/30; B65D85/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1922208A
Cited
US1899547A
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US2037143A
Cited
US2238545A
Cited
DE933199C
Cited
US3028951A
Cited
GB991544A
Cited
US3208583A
Cited
US3306689A
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 |