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US3461631A
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Complementary modules and structures therefrom
Assignee: KATHRINE W BRUGNOLA
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Filing: 1967-01-16
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Granted: 1969-08-19
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Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Anthony Brugnola
- 👤 Kathrine W Brugnola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:40
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04B2/16; E04B2/18; E04B2002/0202; E04B2002/0243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US80358A
Cited
US543582A
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GB190215145A
Cited
FR899546A
Cited
GB540851A
Cited
US2392551A
Cited
US2933920A
Cited
FR1274931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |