US2849749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pull
Assignee: Amerock Corp
•
Filing: 1956-05-28
•
Granted: 1958-09-02
•
Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Karl H Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:03
CPC Classifications
E; E05; E05B; E05B1/00; E05B1/0015; A; A47; A47B; A47B95/00; A47B95/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US302526A
Cited
US399476A
Cited
US1561880A
Cited
US2066301A
Cited
US2541096A
Cited
US2703725A
Cited
GB736223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |