US3004369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of buildings
Assignee: Individual
•
Filing: 1957-05-31
•
Granted: 1961-10-17
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Findlay George Kendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:33
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0814; E04F13/14; E04F13/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670723A
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GB190203499A
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US1572919A
Cited
US1909625A
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US1961627A
Cited
US2006635A
Cited
US2149818A
Cited
US2209283A
Cited
US2432445A
Cited
GB650670A
Cited
DE826191C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |