US3385013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated delta building structures
Assignee: PAGE E SEVERSON
•
Filing: 1965-07-26
•
Granted: 1968-05-28
•
Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Page E Severson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/343; E04B1/34315; E04B1/34331; E04H; E04H1/00; E04H1/02; E04B2001/0053; E04B2001/0069; E04B1/2604; E04B2001/268; E04B2001/2684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US664660A
Cited
GB190210828A
Cited
US2365579A
Cited
US2396829A
Cited
US3008195A
Cited
US3046700A
Cited
US3313072A
Cited
US2967332A
Cited
US3177618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |