Patent US3500595A successfully refreshed from Google Patents.
US3500595A
Expired / Lapsed
US
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Modular building construction unit and column
Assignee: FLEHR HOHBACH
•
Filing: 1967-10-27
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Granted: 1970-03-17
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Expires: 1987-10-27
Abstract
No abstract record available.
Inventors
- 👤 Ronald S Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:13
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/30; E04B; E04B1/00; E04B1/348; E04B1/34815; E04B1/3483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259048A
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US868942A
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US1416709A
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US1362069A
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US1529895A
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US2449000A
Cited
US2837183A
Cited
US2982379A
Cited
US3378971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |