US3200447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged door assembly
Assignee: National Brass Co
•
Filing: 1962-08-24
•
Granted: 1965-08-17
•
Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 John H Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:13
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/52; E06B1/56; E06B1/60; E06B1/6069; E06B1/6076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1159229A
Cited
US2341906A
Cited
US2481721A
Cited
US2552515A
Cited
US2730773A
Cited
US2753602A
Cited
US2835933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |