Patent US3493033A successfully refreshed from Google Patents.
US3493033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doors
Assignee: Individual
•
Filing: 1968-08-12
•
Granted: 1970-02-03
•
Expires: 1988-08-12
Abstract
No abstract record available.
Inventors
- 👤 Patrick Joseph Mcgirr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:06
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/262; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US784896A
Cited
US1529973A
Cited
US1716394A
Cited
US2274216A
Cited
US2362789A
Cited
US2592027A
Cited
US2722273A
Cited
US3085622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |