US3452498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1967-09-14
•
Granted: 1969-07-01
•
Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Kinsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:49
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/0007; E04B5/00; E04B5/02; E04B5/10; E04B7/00; E04B7/20; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6179; E04B2001/2481; E04B2001/2484; E04B2001/249; E04B1/35; E04B2001/3583
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566190A
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US2067403A
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US2217184A
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US2387229A
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US3176807A
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US2811850A
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US3054481A
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US3378969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |