US3041229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methodi of
Assignee: —
•
Filing: —
•
Granted: 1962-06-26
•
Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
B; B29; B29C; B29C63/00; B29C44/00; B29C44/02; B29C44/12; B29C44/18; B29K; B29K2063/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF FILLING HOLLOW SHAPES COMPRISING HEATING A COMPLETELY FOAMED EPOXY RESIN; COMPRESSING SAID RESIN; REDUCING THE TEMPERATURE OF THE RESIN UNTIL IT ASSUMES A FROZEN CONDITION IN ITS COMPRESSED STATE AND APPLYING AN ADHESIVE TO THE SURFACES THEREOF; PLACING SAID RESIN WITHIN A HOLLOW AREA OF A FABRICATED STRUCTURE; AND HEATING THE RESIN TO CAUSE EXPANSION THEREOF AND TO FILL THE HOLLOW AREA AND BOND TO THE FABRICATED STRUCTURE.
Claim 2
Independent Claim
71 words
THE METHOD OF FILLING HOLLOW SHAPES COMPRISING HEATING A COMPLETELY FOAMED EPOXY RESIN; COMPRESSING SAID RESIN; REDUCING THE TEMPERATURE OF THE RESIN UNTIL IT ASSUMES A FROZEN CONDITION IN ITS COMPRESSED STATE AND APPLYING AN ADHESIVE TO THE SURFACES THEREOF; PLACING SAID RESIN WITHIN A HOLLOW AREA OF A FABRICATED STRUCTURE; AND HEATING THE RESIN TO CAUSE EXPANSION THEREOF AND TO FILL THE HOLLOW AREA AND BOND TO THE FABRICATED STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |